Robert Richter | 4e31902 | 2013-06-11 17:29:18 +0200 | [diff] [blame] | 1 | #include <traceevent/event-parse.h> |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 2 | #include "builtin.h" |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 3 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 7c304ee0 | 2013-08-22 16:49:54 -0300 | [diff] [blame] | 4 | #include "util/debug.h" |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 5 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 6 | #include "util/machine.h" |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 7 | #include "util/session.h" |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 8 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 9 | #include "util/parse-options.h" |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 10 | #include "util/strlist.h" |
David Ahern | bdc8966 | 2013-08-28 22:29:53 -0600 | [diff] [blame] | 11 | #include "util/intlist.h" |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 12 | #include "util/thread_map.h" |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 13 | |
| 14 | #include <libaudit.h> |
| 15 | #include <stdlib.h> |
Arnaldo Carvalho de Melo | ae68538 | 2013-08-20 17:44:42 -0300 | [diff] [blame] | 16 | #include <sys/mman.h> |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 17 | |
Arnaldo Carvalho de Melo | 13d4ff3 | 2013-08-23 18:14:48 -0300 | [diff] [blame] | 18 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, unsigned long arg) |
| 19 | { |
| 20 | return scnprintf(bf, size, "%#lx", arg); |
| 21 | } |
| 22 | |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 23 | #define SCA_HEX syscall_arg__scnprintf_hex |
| 24 | |
Arnaldo Carvalho de Melo | ae68538 | 2013-08-20 17:44:42 -0300 | [diff] [blame] | 25 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, unsigned long arg) |
| 26 | { |
| 27 | int printed = 0, prot = arg; |
| 28 | |
| 29 | if (prot == PROT_NONE) |
| 30 | return scnprintf(bf, size, "NONE"); |
| 31 | #define P_MMAP_PROT(n) \ |
| 32 | if (prot & PROT_##n) { \ |
| 33 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ |
| 34 | prot &= ~PROT_##n; \ |
| 35 | } |
| 36 | |
| 37 | P_MMAP_PROT(EXEC); |
| 38 | P_MMAP_PROT(READ); |
| 39 | P_MMAP_PROT(WRITE); |
| 40 | #ifdef PROT_SEM |
| 41 | P_MMAP_PROT(SEM); |
| 42 | #endif |
| 43 | P_MMAP_PROT(GROWSDOWN); |
| 44 | P_MMAP_PROT(GROWSUP); |
| 45 | #undef P_MMAP_PROT |
| 46 | |
| 47 | if (prot) |
| 48 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); |
| 49 | |
| 50 | return printed; |
| 51 | } |
| 52 | |
| 53 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot |
| 54 | |
Arnaldo Carvalho de Melo | 941557e | 2013-08-23 10:48:33 -0300 | [diff] [blame] | 55 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned long arg) |
| 56 | { |
| 57 | int printed = 0, flags = arg; |
| 58 | |
| 59 | #define P_MMAP_FLAG(n) \ |
| 60 | if (flags & MAP_##n) { \ |
| 61 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ |
| 62 | flags &= ~MAP_##n; \ |
| 63 | } |
| 64 | |
| 65 | P_MMAP_FLAG(SHARED); |
| 66 | P_MMAP_FLAG(PRIVATE); |
| 67 | P_MMAP_FLAG(32BIT); |
| 68 | P_MMAP_FLAG(ANONYMOUS); |
| 69 | P_MMAP_FLAG(DENYWRITE); |
| 70 | P_MMAP_FLAG(EXECUTABLE); |
| 71 | P_MMAP_FLAG(FILE); |
| 72 | P_MMAP_FLAG(FIXED); |
| 73 | P_MMAP_FLAG(GROWSDOWN); |
David Ahern | f2935f3 | 2013-08-27 10:50:40 -0600 | [diff] [blame^] | 74 | #ifdef MAP_HUGETLB |
Arnaldo Carvalho de Melo | 941557e | 2013-08-23 10:48:33 -0300 | [diff] [blame] | 75 | P_MMAP_FLAG(HUGETLB); |
David Ahern | f2935f3 | 2013-08-27 10:50:40 -0600 | [diff] [blame^] | 76 | #endif |
Arnaldo Carvalho de Melo | 941557e | 2013-08-23 10:48:33 -0300 | [diff] [blame] | 77 | P_MMAP_FLAG(LOCKED); |
| 78 | P_MMAP_FLAG(NONBLOCK); |
| 79 | P_MMAP_FLAG(NORESERVE); |
| 80 | P_MMAP_FLAG(POPULATE); |
| 81 | P_MMAP_FLAG(STACK); |
| 82 | #ifdef MAP_UNINITIALIZED |
| 83 | P_MMAP_FLAG(UNINITIALIZED); |
| 84 | #endif |
| 85 | #undef P_MMAP_FLAG |
| 86 | |
| 87 | if (flags) |
| 88 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); |
| 89 | |
| 90 | return printed; |
| 91 | } |
| 92 | |
| 93 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags |
| 94 | |
Arnaldo Carvalho de Melo | 9e9716d | 2013-08-23 10:06:41 -0300 | [diff] [blame] | 95 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, unsigned long arg) |
| 96 | { |
| 97 | int behavior = arg; |
| 98 | |
| 99 | switch (behavior) { |
| 100 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) |
| 101 | P_MADV_BHV(NORMAL); |
| 102 | P_MADV_BHV(RANDOM); |
| 103 | P_MADV_BHV(SEQUENTIAL); |
| 104 | P_MADV_BHV(WILLNEED); |
| 105 | P_MADV_BHV(DONTNEED); |
| 106 | P_MADV_BHV(REMOVE); |
| 107 | P_MADV_BHV(DONTFORK); |
| 108 | P_MADV_BHV(DOFORK); |
| 109 | P_MADV_BHV(HWPOISON); |
| 110 | #ifdef MADV_SOFT_OFFLINE |
| 111 | P_MADV_BHV(SOFT_OFFLINE); |
| 112 | #endif |
| 113 | P_MADV_BHV(MERGEABLE); |
| 114 | P_MADV_BHV(UNMERGEABLE); |
David Ahern | f2935f3 | 2013-08-27 10:50:40 -0600 | [diff] [blame^] | 115 | #ifdef MADV_HUGEPAGE |
Arnaldo Carvalho de Melo | 9e9716d | 2013-08-23 10:06:41 -0300 | [diff] [blame] | 116 | P_MADV_BHV(HUGEPAGE); |
David Ahern | f2935f3 | 2013-08-27 10:50:40 -0600 | [diff] [blame^] | 117 | #endif |
| 118 | #ifdef MADV_NOHUGEPAGE |
Arnaldo Carvalho de Melo | 9e9716d | 2013-08-23 10:06:41 -0300 | [diff] [blame] | 119 | P_MADV_BHV(NOHUGEPAGE); |
David Ahern | f2935f3 | 2013-08-27 10:50:40 -0600 | [diff] [blame^] | 120 | #endif |
Arnaldo Carvalho de Melo | 9e9716d | 2013-08-23 10:06:41 -0300 | [diff] [blame] | 121 | #ifdef MADV_DONTDUMP |
| 122 | P_MADV_BHV(DONTDUMP); |
| 123 | #endif |
| 124 | #ifdef MADV_DODUMP |
| 125 | P_MADV_BHV(DODUMP); |
| 126 | #endif |
| 127 | #undef P_MADV_PHV |
| 128 | default: break; |
| 129 | } |
| 130 | |
| 131 | return scnprintf(bf, size, "%#x", behavior); |
| 132 | } |
| 133 | |
| 134 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior |
| 135 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 136 | static struct syscall_fmt { |
| 137 | const char *name; |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 138 | const char *alias; |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 139 | size_t (*arg_scnprintf[6])(char *bf, size_t size, unsigned long arg); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 140 | bool errmsg; |
| 141 | bool timeout; |
Arnaldo Carvalho de Melo | 04b3472 | 2013-08-26 11:36:30 -0300 | [diff] [blame] | 142 | bool hexret; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 143 | } syscall_fmts[] = { |
Arnaldo Carvalho de Melo | 8b74526 | 2012-10-18 19:06:13 -0300 | [diff] [blame] | 144 | { .name = "access", .errmsg = true, }, |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 145 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 146 | { .name = "brk", .hexret = true, |
| 147 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, |
Arnaldo Carvalho de Melo | 04b3472 | 2013-08-26 11:36:30 -0300 | [diff] [blame] | 148 | { .name = "mmap", .hexret = true, }, |
Arnaldo Carvalho de Melo | a14bb86 | 2013-07-30 16:38:23 -0300 | [diff] [blame] | 149 | { .name = "connect", .errmsg = true, }, |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 150 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
| 151 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, |
| 152 | { .name = "futex", .errmsg = true, }, |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 153 | { .name = "ioctl", .errmsg = true, |
| 154 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, |
Arnaldo Carvalho de Melo | e595968 | 2013-08-26 12:21:41 -0300 | [diff] [blame] | 155 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
Arnaldo Carvalho de Melo | 9e9716d | 2013-08-23 10:06:41 -0300 | [diff] [blame] | 156 | { .name = "madvise", .errmsg = true, |
| 157 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
| 158 | [2] = SCA_MADV_BHV, /* behavior */ }, }, |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 159 | { .name = "mmap", .hexret = true, |
Arnaldo Carvalho de Melo | ae68538 | 2013-08-20 17:44:42 -0300 | [diff] [blame] | 160 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
Arnaldo Carvalho de Melo | 941557e | 2013-08-23 10:48:33 -0300 | [diff] [blame] | 161 | [2] = SCA_MMAP_PROT, /* prot */ |
| 162 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 163 | { .name = "mprotect", .errmsg = true, |
Arnaldo Carvalho de Melo | ae68538 | 2013-08-20 17:44:42 -0300 | [diff] [blame] | 164 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
| 165 | [2] = SCA_MMAP_PROT, /* prot */ }, }, |
| 166 | { .name = "mremap", .hexret = true, |
| 167 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
| 168 | [4] = SCA_HEX, /* new_addr */ }, }, |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 169 | { .name = "munmap", .errmsg = true, |
| 170 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, |
Arnaldo Carvalho de Melo | 8b74526 | 2012-10-18 19:06:13 -0300 | [diff] [blame] | 171 | { .name = "open", .errmsg = true, }, |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 172 | { .name = "poll", .errmsg = true, .timeout = true, }, |
| 173 | { .name = "ppoll", .errmsg = true, .timeout = true, }, |
Arnaldo Carvalho de Melo | e595968 | 2013-08-26 12:21:41 -0300 | [diff] [blame] | 174 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
| 175 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 176 | { .name = "read", .errmsg = true, }, |
| 177 | { .name = "recvfrom", .errmsg = true, }, |
| 178 | { .name = "select", .errmsg = true, .timeout = true, }, |
Arnaldo Carvalho de Melo | 8b74526 | 2012-10-18 19:06:13 -0300 | [diff] [blame] | 179 | { .name = "socket", .errmsg = true, }, |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 180 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
Arnaldo Carvalho de Melo | e595968 | 2013-08-26 12:21:41 -0300 | [diff] [blame] | 181 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 182 | }; |
| 183 | |
| 184 | static int syscall_fmt__cmp(const void *name, const void *fmtp) |
| 185 | { |
| 186 | const struct syscall_fmt *fmt = fmtp; |
| 187 | return strcmp(name, fmt->name); |
| 188 | } |
| 189 | |
| 190 | static struct syscall_fmt *syscall_fmt__find(const char *name) |
| 191 | { |
| 192 | const int nmemb = ARRAY_SIZE(syscall_fmts); |
| 193 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); |
| 194 | } |
| 195 | |
| 196 | struct syscall { |
| 197 | struct event_format *tp_format; |
| 198 | const char *name; |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 199 | bool filtered; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 200 | struct syscall_fmt *fmt; |
Arnaldo Carvalho de Melo | 13d4ff3 | 2013-08-23 18:14:48 -0300 | [diff] [blame] | 201 | size_t (**arg_scnprintf)(char *bf, size_t size, unsigned long arg); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 202 | }; |
| 203 | |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 204 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
| 205 | { |
| 206 | double duration = (double)t / NSEC_PER_MSEC; |
| 207 | size_t printed = fprintf(fp, "("); |
| 208 | |
| 209 | if (duration >= 1.0) |
| 210 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); |
| 211 | else if (duration >= 0.01) |
| 212 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); |
| 213 | else |
| 214 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 215 | return printed + fprintf(fp, "): "); |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 216 | } |
| 217 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 218 | struct thread_trace { |
| 219 | u64 entry_time; |
| 220 | u64 exit_time; |
| 221 | bool entry_pending; |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 222 | unsigned long nr_events; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 223 | char *entry_str; |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 224 | double runtime_ms; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 225 | }; |
| 226 | |
| 227 | static struct thread_trace *thread_trace__new(void) |
| 228 | { |
| 229 | return zalloc(sizeof(struct thread_trace)); |
| 230 | } |
| 231 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 232 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 233 | { |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 234 | struct thread_trace *ttrace; |
| 235 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 236 | if (thread == NULL) |
| 237 | goto fail; |
| 238 | |
| 239 | if (thread->priv == NULL) |
| 240 | thread->priv = thread_trace__new(); |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 241 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 242 | if (thread->priv == NULL) |
| 243 | goto fail; |
| 244 | |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 245 | ttrace = thread->priv; |
| 246 | ++ttrace->nr_events; |
| 247 | |
| 248 | return ttrace; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 249 | fail: |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 250 | color_fprintf(fp, PERF_COLOR_RED, |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 251 | "WARNING: not enough memory, dropping samples!\n"); |
| 252 | return NULL; |
| 253 | } |
| 254 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 255 | struct trace { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 256 | struct perf_tool tool; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 257 | int audit_machine; |
| 258 | struct { |
| 259 | int max; |
| 260 | struct syscall *table; |
| 261 | } syscalls; |
| 262 | struct perf_record_opts opts; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 263 | struct machine host; |
| 264 | u64 base_time; |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 265 | FILE *output; |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 266 | unsigned long nr_events; |
Arnaldo Carvalho de Melo | b059efd | 2013-08-21 12:56:21 -0300 | [diff] [blame] | 267 | struct strlist *ev_qualifier; |
| 268 | bool not_ev_qualifier; |
David Ahern | bdc8966 | 2013-08-28 22:29:53 -0600 | [diff] [blame] | 269 | struct intlist *tid_list; |
| 270 | struct intlist *pid_list; |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 271 | bool sched; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 272 | bool multiple_threads; |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 273 | double duration_filter; |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 274 | double runtime_ms; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 275 | }; |
| 276 | |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 277 | static bool trace__filter_duration(struct trace *trace, double t) |
| 278 | { |
| 279 | return t < (trace->duration_filter * NSEC_PER_MSEC); |
| 280 | } |
| 281 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 282 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
| 283 | { |
| 284 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; |
| 285 | |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 286 | return fprintf(fp, "%10.3f ", ts); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 287 | } |
| 288 | |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 289 | static bool done = false; |
| 290 | |
| 291 | static void sig_handler(int sig __maybe_unused) |
| 292 | { |
| 293 | done = true; |
| 294 | } |
| 295 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 296 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 297 | u64 duration, u64 tstamp, FILE *fp) |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 298 | { |
| 299 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 300 | printed += fprintf_duration(duration, fp); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 301 | |
| 302 | if (trace->multiple_threads) |
Adrian Hunter | 3805123 | 2013-07-04 16:20:31 +0300 | [diff] [blame] | 303 | printed += fprintf(fp, "%d ", thread->tid); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 304 | |
| 305 | return printed; |
| 306 | } |
| 307 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 308 | static int trace__process_event(struct trace *trace, struct machine *machine, |
| 309 | union perf_event *event) |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 310 | { |
| 311 | int ret = 0; |
| 312 | |
| 313 | switch (event->header.type) { |
| 314 | case PERF_RECORD_LOST: |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 315 | color_fprintf(trace->output, PERF_COLOR_RED, |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 316 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
| 317 | ret = machine__process_lost_event(machine, event); |
| 318 | default: |
| 319 | ret = machine__process_event(machine, event); |
| 320 | break; |
| 321 | } |
| 322 | |
| 323 | return ret; |
| 324 | } |
| 325 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 326 | static int trace__tool_process(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 327 | union perf_event *event, |
| 328 | struct perf_sample *sample __maybe_unused, |
| 329 | struct machine *machine) |
| 330 | { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 331 | struct trace *trace = container_of(tool, struct trace, tool); |
| 332 | return trace__process_event(trace, machine, event); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) |
| 336 | { |
| 337 | int err = symbol__init(); |
| 338 | |
| 339 | if (err) |
| 340 | return err; |
| 341 | |
| 342 | machine__init(&trace->host, "", HOST_KERNEL_ID); |
| 343 | machine__create_kernel_maps(&trace->host); |
| 344 | |
| 345 | if (perf_target__has_task(&trace->opts.target)) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 346 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 347 | trace__tool_process, |
| 348 | &trace->host); |
| 349 | } else { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 350 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 351 | &trace->host); |
| 352 | } |
| 353 | |
| 354 | if (err) |
| 355 | symbol__exit(); |
| 356 | |
| 357 | return err; |
| 358 | } |
| 359 | |
Arnaldo Carvalho de Melo | 13d4ff3 | 2013-08-23 18:14:48 -0300 | [diff] [blame] | 360 | static int syscall__set_arg_fmts(struct syscall *sc) |
| 361 | { |
| 362 | struct format_field *field; |
| 363 | int idx = 0; |
| 364 | |
| 365 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); |
| 366 | if (sc->arg_scnprintf == NULL) |
| 367 | return -1; |
| 368 | |
| 369 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
Arnaldo Carvalho de Melo | beccb2b | 2013-08-26 12:29:38 -0300 | [diff] [blame] | 370 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
| 371 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; |
| 372 | else if (field->flags & FIELD_IS_POINTER) |
Arnaldo Carvalho de Melo | 13d4ff3 | 2013-08-23 18:14:48 -0300 | [diff] [blame] | 373 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
| 374 | ++idx; |
| 375 | } |
| 376 | |
| 377 | return 0; |
| 378 | } |
| 379 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 380 | static int trace__read_syscall_info(struct trace *trace, int id) |
| 381 | { |
| 382 | char tp_name[128]; |
| 383 | struct syscall *sc; |
Arnaldo Carvalho de Melo | 3a53126 | 2012-10-20 12:39:03 -0300 | [diff] [blame] | 384 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
| 385 | |
| 386 | if (name == NULL) |
| 387 | return -1; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 388 | |
| 389 | if (id > trace->syscalls.max) { |
| 390 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); |
| 391 | |
| 392 | if (nsyscalls == NULL) |
| 393 | return -1; |
| 394 | |
| 395 | if (trace->syscalls.max != -1) { |
| 396 | memset(nsyscalls + trace->syscalls.max + 1, 0, |
| 397 | (id - trace->syscalls.max) * sizeof(*sc)); |
| 398 | } else { |
| 399 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); |
| 400 | } |
| 401 | |
| 402 | trace->syscalls.table = nsyscalls; |
| 403 | trace->syscalls.max = id; |
| 404 | } |
| 405 | |
| 406 | sc = trace->syscalls.table + id; |
Arnaldo Carvalho de Melo | 3a53126 | 2012-10-20 12:39:03 -0300 | [diff] [blame] | 407 | sc->name = name; |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 408 | |
Arnaldo Carvalho de Melo | b059efd | 2013-08-21 12:56:21 -0300 | [diff] [blame] | 409 | if (trace->ev_qualifier) { |
| 410 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; |
| 411 | |
| 412 | if (!(in ^ trace->not_ev_qualifier)) { |
| 413 | sc->filtered = true; |
| 414 | /* |
| 415 | * No need to do read tracepoint information since this will be |
| 416 | * filtered out. |
| 417 | */ |
| 418 | return 0; |
| 419 | } |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 420 | } |
| 421 | |
Arnaldo Carvalho de Melo | 3a53126 | 2012-10-20 12:39:03 -0300 | [diff] [blame] | 422 | sc->fmt = syscall_fmt__find(sc->name); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 423 | |
Arnaldo Carvalho de Melo | aec1930 | 2012-09-27 13:16:00 -0300 | [diff] [blame] | 424 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
| 425 | sc->tp_format = event_format__new("syscalls", tp_name); |
| 426 | |
| 427 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { |
| 428 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); |
| 429 | sc->tp_format = event_format__new("syscalls", tp_name); |
| 430 | } |
| 431 | |
Arnaldo Carvalho de Melo | 13d4ff3 | 2013-08-23 18:14:48 -0300 | [diff] [blame] | 432 | if (sc->tp_format == NULL) |
| 433 | return -1; |
| 434 | |
| 435 | return syscall__set_arg_fmts(sc); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 436 | } |
| 437 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 438 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
| 439 | unsigned long *args) |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 440 | { |
| 441 | int i = 0; |
| 442 | size_t printed = 0; |
| 443 | |
| 444 | if (sc->tp_format != NULL) { |
| 445 | struct format_field *field; |
| 446 | |
| 447 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 448 | printed += scnprintf(bf + printed, size - printed, |
Arnaldo Carvalho de Melo | 13d4ff3 | 2013-08-23 18:14:48 -0300 | [diff] [blame] | 449 | "%s%s: ", printed ? ", " : "", field->name); |
| 450 | |
| 451 | if (sc->arg_scnprintf && sc->arg_scnprintf[i]) |
| 452 | printed += sc->arg_scnprintf[i](bf + printed, size - printed, args[i]); |
| 453 | else |
| 454 | printed += scnprintf(bf + printed, size - printed, |
| 455 | "%ld", args[i]); |
| 456 | ++i; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 457 | } |
| 458 | } else { |
| 459 | while (i < 6) { |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 460 | printed += scnprintf(bf + printed, size - printed, |
| 461 | "%sarg%d: %ld", |
| 462 | printed ? ", " : "", i, args[i]); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 463 | ++i; |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | return printed; |
| 468 | } |
| 469 | |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 470 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
| 471 | struct perf_sample *sample); |
| 472 | |
| 473 | static struct syscall *trace__syscall_info(struct trace *trace, |
| 474 | struct perf_evsel *evsel, |
| 475 | struct perf_sample *sample) |
| 476 | { |
| 477 | int id = perf_evsel__intval(evsel, sample, "id"); |
| 478 | |
| 479 | if (id < 0) { |
Arnaldo Carvalho de Melo | adaa18b | 2013-08-22 17:55:25 -0300 | [diff] [blame] | 480 | |
| 481 | /* |
| 482 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried |
| 483 | * before that, leaving at a higher verbosity level till that is |
| 484 | * explained. Reproduced with plain ftrace with: |
| 485 | * |
| 486 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable |
| 487 | * grep "NR -1 " /t/trace_pipe |
| 488 | * |
| 489 | * After generating some load on the machine. |
| 490 | */ |
| 491 | if (verbose > 1) { |
| 492 | static u64 n; |
| 493 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", |
| 494 | id, perf_evsel__name(evsel), ++n); |
| 495 | } |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 496 | return NULL; |
| 497 | } |
| 498 | |
| 499 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && |
| 500 | trace__read_syscall_info(trace, id)) |
| 501 | goto out_cant_read; |
| 502 | |
| 503 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) |
| 504 | goto out_cant_read; |
| 505 | |
| 506 | return &trace->syscalls.table[id]; |
| 507 | |
| 508 | out_cant_read: |
Arnaldo Carvalho de Melo | 7c304ee0 | 2013-08-22 16:49:54 -0300 | [diff] [blame] | 509 | if (verbose) { |
| 510 | fprintf(trace->output, "Problems reading syscall %d", id); |
| 511 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) |
| 512 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); |
| 513 | fputs(" information\n", trace->output); |
| 514 | } |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 515 | return NULL; |
| 516 | } |
| 517 | |
| 518 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, |
| 519 | struct perf_sample *sample) |
| 520 | { |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 521 | char *msg; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 522 | void *args; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 523 | size_t printed = 0; |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 524 | struct thread *thread; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 525 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 526 | struct thread_trace *ttrace; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 527 | |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 528 | if (sc == NULL) |
| 529 | return -1; |
| 530 | |
| 531 | if (sc->filtered) |
| 532 | return 0; |
| 533 | |
Adrian Hunter | 314add6 | 2013-08-27 11:23:03 +0300 | [diff] [blame] | 534 | thread = machine__findnew_thread(&trace->host, sample->pid, |
| 535 | sample->tid); |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 536 | ttrace = thread__trace(thread, trace->output); |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 537 | if (ttrace == NULL) |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 538 | return -1; |
| 539 | |
| 540 | args = perf_evsel__rawptr(evsel, sample, "args"); |
| 541 | if (args == NULL) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 542 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 543 | return -1; |
| 544 | } |
| 545 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 546 | ttrace = thread->priv; |
| 547 | |
| 548 | if (ttrace->entry_str == NULL) { |
| 549 | ttrace->entry_str = malloc(1024); |
| 550 | if (!ttrace->entry_str) |
| 551 | return -1; |
| 552 | } |
| 553 | |
| 554 | ttrace->entry_time = sample->time; |
| 555 | msg = ttrace->entry_str; |
| 556 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); |
| 557 | |
| 558 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); |
| 559 | |
| 560 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 561 | if (!trace->duration_filter) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 562 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
| 563 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 564 | } |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 565 | } else |
| 566 | ttrace->entry_pending = true; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 567 | |
| 568 | return 0; |
| 569 | } |
| 570 | |
| 571 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, |
| 572 | struct perf_sample *sample) |
| 573 | { |
| 574 | int ret; |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 575 | u64 duration = 0; |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 576 | struct thread *thread; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 577 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 578 | struct thread_trace *ttrace; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 579 | |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 580 | if (sc == NULL) |
| 581 | return -1; |
| 582 | |
| 583 | if (sc->filtered) |
| 584 | return 0; |
| 585 | |
Adrian Hunter | 314add6 | 2013-08-27 11:23:03 +0300 | [diff] [blame] | 586 | thread = machine__findnew_thread(&trace->host, sample->pid, |
| 587 | sample->tid); |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 588 | ttrace = thread__trace(thread, trace->output); |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 589 | if (ttrace == NULL) |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 590 | return -1; |
| 591 | |
| 592 | ret = perf_evsel__intval(evsel, sample, "ret"); |
| 593 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 594 | ttrace = thread->priv; |
| 595 | |
| 596 | ttrace->exit_time = sample->time; |
| 597 | |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 598 | if (ttrace->entry_time) { |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 599 | duration = sample->time - ttrace->entry_time; |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 600 | if (trace__filter_duration(trace, duration)) |
| 601 | goto out; |
| 602 | } else if (trace->duration_filter) |
| 603 | goto out; |
Arnaldo Carvalho de Melo | 60c907a | 2012-10-24 17:24:47 -0200 | [diff] [blame] | 604 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 605 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 606 | |
| 607 | if (ttrace->entry_pending) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 608 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 609 | } else { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 610 | fprintf(trace->output, " ... ["); |
| 611 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); |
| 612 | fprintf(trace->output, "]: %s()", sc->name); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 613 | } |
| 614 | |
Arnaldo Carvalho de Melo | da3c9a4 | 2013-08-26 11:28:34 -0300 | [diff] [blame] | 615 | if (sc->fmt == NULL) { |
| 616 | signed_print: |
| 617 | fprintf(trace->output, ") = %d", ret); |
| 618 | } else if (ret < 0 && sc->fmt->errmsg) { |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 619 | char bf[256]; |
| 620 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), |
| 621 | *e = audit_errno_to_name(-ret); |
| 622 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 623 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
Arnaldo Carvalho de Melo | da3c9a4 | 2013-08-26 11:28:34 -0300 | [diff] [blame] | 624 | } else if (ret == 0 && sc->fmt->timeout) |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 625 | fprintf(trace->output, ") = 0 Timeout"); |
Arnaldo Carvalho de Melo | 04b3472 | 2013-08-26 11:36:30 -0300 | [diff] [blame] | 626 | else if (sc->fmt->hexret) |
| 627 | fprintf(trace->output, ") = %#x", ret); |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 628 | else |
Arnaldo Carvalho de Melo | da3c9a4 | 2013-08-26 11:28:34 -0300 | [diff] [blame] | 629 | goto signed_print; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 630 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 631 | fputc('\n', trace->output); |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 632 | out: |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 633 | ttrace->entry_pending = false; |
| 634 | |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 635 | return 0; |
| 636 | } |
| 637 | |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 638 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
| 639 | struct perf_sample *sample) |
| 640 | { |
| 641 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); |
| 642 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; |
Adrian Hunter | 314add6 | 2013-08-27 11:23:03 +0300 | [diff] [blame] | 643 | struct thread *thread = machine__findnew_thread(&trace->host, |
| 644 | sample->pid, |
| 645 | sample->tid); |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 646 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 647 | |
| 648 | if (ttrace == NULL) |
| 649 | goto out_dump; |
| 650 | |
| 651 | ttrace->runtime_ms += runtime_ms; |
| 652 | trace->runtime_ms += runtime_ms; |
| 653 | return 0; |
| 654 | |
| 655 | out_dump: |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 656 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 657 | evsel->name, |
| 658 | perf_evsel__strval(evsel, sample, "comm"), |
| 659 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), |
| 660 | runtime, |
| 661 | perf_evsel__intval(evsel, sample, "vruntime")); |
| 662 | return 0; |
| 663 | } |
| 664 | |
David Ahern | bdc8966 | 2013-08-28 22:29:53 -0600 | [diff] [blame] | 665 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
| 666 | { |
| 667 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || |
| 668 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) |
| 669 | return false; |
| 670 | |
| 671 | if (trace->pid_list || trace->tid_list) |
| 672 | return true; |
| 673 | |
| 674 | return false; |
| 675 | } |
| 676 | |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 677 | static int trace__process_sample(struct perf_tool *tool, |
| 678 | union perf_event *event __maybe_unused, |
| 679 | struct perf_sample *sample, |
| 680 | struct perf_evsel *evsel, |
| 681 | struct machine *machine __maybe_unused) |
| 682 | { |
| 683 | struct trace *trace = container_of(tool, struct trace, tool); |
| 684 | int err = 0; |
| 685 | |
| 686 | tracepoint_handler handler = evsel->handler.func; |
| 687 | |
David Ahern | bdc8966 | 2013-08-28 22:29:53 -0600 | [diff] [blame] | 688 | if (skip_sample(trace, sample)) |
| 689 | return 0; |
| 690 | |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 691 | if (trace->base_time == 0) |
| 692 | trace->base_time = sample->time; |
| 693 | |
| 694 | if (handler) |
| 695 | handler(trace, evsel, sample); |
| 696 | |
| 697 | return err; |
| 698 | } |
| 699 | |
| 700 | static bool |
| 701 | perf_session__has_tp(struct perf_session *session, const char *name) |
| 702 | { |
| 703 | struct perf_evsel *evsel; |
| 704 | |
| 705 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); |
| 706 | |
| 707 | return evsel != NULL; |
| 708 | } |
| 709 | |
David Ahern | bdc8966 | 2013-08-28 22:29:53 -0600 | [diff] [blame] | 710 | static int parse_target_str(struct trace *trace) |
| 711 | { |
| 712 | if (trace->opts.target.pid) { |
| 713 | trace->pid_list = intlist__new(trace->opts.target.pid); |
| 714 | if (trace->pid_list == NULL) { |
| 715 | pr_err("Error parsing process id string\n"); |
| 716 | return -EINVAL; |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | if (trace->opts.target.tid) { |
| 721 | trace->tid_list = intlist__new(trace->opts.target.tid); |
| 722 | if (trace->tid_list == NULL) { |
| 723 | pr_err("Error parsing thread id string\n"); |
| 724 | return -EINVAL; |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | return 0; |
| 729 | } |
| 730 | |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 731 | static int trace__run(struct trace *trace, int argc, const char **argv) |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 732 | { |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 733 | struct perf_evlist *evlist = perf_evlist__new(); |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 734 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 735 | int err = -1, i; |
| 736 | unsigned long before; |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 737 | const bool forks = argc > 0; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 738 | |
| 739 | if (evlist == NULL) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 740 | fprintf(trace->output, "Not enough memory to run!\n"); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 741 | goto out; |
| 742 | } |
| 743 | |
Arnaldo Carvalho de Melo | 39876e7 | 2012-10-03 11:40:22 -0300 | [diff] [blame] | 744 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
| 745 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 746 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 747 | goto out_delete_evlist; |
| 748 | } |
| 749 | |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 750 | if (trace->sched && |
| 751 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", |
| 752 | trace__sched_stat_runtime)) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 753 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 754 | goto out_delete_evlist; |
| 755 | } |
| 756 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 757 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
| 758 | if (err < 0) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 759 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 760 | goto out_delete_evlist; |
| 761 | } |
| 762 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 763 | err = trace__symbols_init(trace, evlist); |
| 764 | if (err < 0) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 765 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
Namhyung Kim | 3beb086 | 2013-03-15 14:48:50 +0900 | [diff] [blame] | 766 | goto out_delete_maps; |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 767 | } |
| 768 | |
Arnaldo Carvalho de Melo | f77a951 | 2012-12-10 16:41:31 -0300 | [diff] [blame] | 769 | perf_evlist__config(evlist, &trace->opts); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 770 | |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 771 | signal(SIGCHLD, sig_handler); |
| 772 | signal(SIGINT, sig_handler); |
| 773 | |
| 774 | if (forks) { |
Namhyung Kim | 6ef73ec | 2013-03-11 16:43:15 +0900 | [diff] [blame] | 775 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
Namhyung Kim | 55e162e | 2013-03-11 16:43:17 +0900 | [diff] [blame] | 776 | argv, false, false); |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 777 | if (err < 0) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 778 | fprintf(trace->output, "Couldn't run the workload!\n"); |
Namhyung Kim | 3beb086 | 2013-03-15 14:48:50 +0900 | [diff] [blame] | 779 | goto out_delete_maps; |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 780 | } |
| 781 | } |
| 782 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 783 | err = perf_evlist__open(evlist); |
| 784 | if (err < 0) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 785 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
Namhyung Kim | 3beb086 | 2013-03-15 14:48:50 +0900 | [diff] [blame] | 786 | goto out_delete_maps; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | err = perf_evlist__mmap(evlist, UINT_MAX, false); |
| 790 | if (err < 0) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 791 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
Namhyung Kim | 3beb086 | 2013-03-15 14:48:50 +0900 | [diff] [blame] | 792 | goto out_close_evlist; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | perf_evlist__enable(evlist); |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 796 | |
| 797 | if (forks) |
| 798 | perf_evlist__start_workload(evlist); |
| 799 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 800 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 801 | again: |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 802 | before = trace->nr_events; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 803 | |
| 804 | for (i = 0; i < evlist->nr_mmaps; i++) { |
| 805 | union perf_event *event; |
| 806 | |
| 807 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { |
| 808 | const u32 type = event->header.type; |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 809 | tracepoint_handler handler; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 810 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 811 | |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 812 | ++trace->nr_events; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 813 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 814 | err = perf_evlist__parse_sample(evlist, event, &sample); |
| 815 | if (err) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 816 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 817 | continue; |
| 818 | } |
| 819 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 820 | if (trace->base_time == 0) |
| 821 | trace->base_time = sample.time; |
| 822 | |
| 823 | if (type != PERF_RECORD_SAMPLE) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 824 | trace__process_event(trace, &trace->host, event); |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 825 | continue; |
| 826 | } |
| 827 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 828 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
| 829 | if (evsel == NULL) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 830 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 831 | continue; |
| 832 | } |
| 833 | |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 834 | if (sample.raw_data == NULL) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 835 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
Arnaldo Carvalho de Melo | 752fde4 | 2012-10-06 18:43:19 -0300 | [diff] [blame] | 836 | perf_evsel__name(evsel), sample.tid, |
| 837 | sample.cpu, sample.raw_size); |
| 838 | continue; |
| 839 | } |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 840 | |
Arnaldo Carvalho de Melo | ba3d7de | 2012-09-28 17:58:36 -0300 | [diff] [blame] | 841 | handler = evsel->handler.func; |
| 842 | handler(trace, evsel, &sample); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 843 | } |
| 844 | } |
| 845 | |
Arnaldo Carvalho de Melo | efd5745 | 2012-10-17 17:09:46 -0300 | [diff] [blame] | 846 | if (trace->nr_events == before) { |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 847 | if (done) |
Namhyung Kim | 3beb086 | 2013-03-15 14:48:50 +0900 | [diff] [blame] | 848 | goto out_unmap_evlist; |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 849 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 850 | poll(evlist->pollfd, evlist->nr_fds, -1); |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 851 | } |
| 852 | |
| 853 | if (done) |
| 854 | perf_evlist__disable(evlist); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 855 | |
| 856 | goto again; |
| 857 | |
Namhyung Kim | 3beb086 | 2013-03-15 14:48:50 +0900 | [diff] [blame] | 858 | out_unmap_evlist: |
| 859 | perf_evlist__munmap(evlist); |
| 860 | out_close_evlist: |
| 861 | perf_evlist__close(evlist); |
| 862 | out_delete_maps: |
| 863 | perf_evlist__delete_maps(evlist); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 864 | out_delete_evlist: |
| 865 | perf_evlist__delete(evlist); |
| 866 | out: |
| 867 | return err; |
| 868 | } |
| 869 | |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 870 | static int trace__replay(struct trace *trace) |
| 871 | { |
| 872 | const struct perf_evsel_str_handler handlers[] = { |
| 873 | { "raw_syscalls:sys_enter", trace__sys_enter, }, |
| 874 | { "raw_syscalls:sys_exit", trace__sys_exit, }, |
| 875 | }; |
| 876 | |
| 877 | struct perf_session *session; |
| 878 | int err = -1; |
| 879 | |
| 880 | trace->tool.sample = trace__process_sample; |
| 881 | trace->tool.mmap = perf_event__process_mmap; |
| 882 | trace->tool.comm = perf_event__process_comm; |
| 883 | trace->tool.exit = perf_event__process_exit; |
| 884 | trace->tool.fork = perf_event__process_fork; |
| 885 | trace->tool.attr = perf_event__process_attr; |
| 886 | trace->tool.tracing_data = perf_event__process_tracing_data; |
| 887 | trace->tool.build_id = perf_event__process_build_id; |
| 888 | |
| 889 | trace->tool.ordered_samples = true; |
| 890 | trace->tool.ordering_requires_timestamps = true; |
| 891 | |
| 892 | /* add tid to output */ |
| 893 | trace->multiple_threads = true; |
| 894 | |
| 895 | if (symbol__init() < 0) |
| 896 | return -1; |
| 897 | |
| 898 | session = perf_session__new(input_name, O_RDONLY, 0, false, |
| 899 | &trace->tool); |
| 900 | if (session == NULL) |
| 901 | return -ENOMEM; |
| 902 | |
| 903 | err = perf_session__set_tracepoints_handlers(session, handlers); |
| 904 | if (err) |
| 905 | goto out; |
| 906 | |
| 907 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { |
| 908 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); |
| 909 | goto out; |
| 910 | } |
| 911 | |
| 912 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { |
| 913 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); |
| 914 | goto out; |
| 915 | } |
| 916 | |
David Ahern | bdc8966 | 2013-08-28 22:29:53 -0600 | [diff] [blame] | 917 | err = parse_target_str(trace); |
| 918 | if (err != 0) |
| 919 | goto out; |
| 920 | |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 921 | setup_pager(); |
| 922 | |
| 923 | err = perf_session__process_events(session, &trace->tool); |
| 924 | if (err) |
| 925 | pr_err("Failed to process events, error %d", err); |
| 926 | |
| 927 | out: |
| 928 | perf_session__delete(session); |
| 929 | |
| 930 | return err; |
| 931 | } |
| 932 | |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 933 | static size_t trace__fprintf_threads_header(FILE *fp) |
| 934 | { |
| 935 | size_t printed; |
| 936 | |
| 937 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); |
| 938 | printed += fprintf(fp," __) Summary of events (__\n\n"); |
| 939 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); |
| 940 | printed += fprintf(fp," _____________________________________________________________________\n\n"); |
| 941 | |
| 942 | return printed; |
| 943 | } |
| 944 | |
| 945 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) |
| 946 | { |
| 947 | size_t printed = trace__fprintf_threads_header(fp); |
| 948 | struct rb_node *nd; |
| 949 | |
| 950 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { |
| 951 | struct thread *thread = rb_entry(nd, struct thread, rb_node); |
| 952 | struct thread_trace *ttrace = thread->priv; |
| 953 | const char *color; |
| 954 | double ratio; |
| 955 | |
| 956 | if (ttrace == NULL) |
| 957 | continue; |
| 958 | |
| 959 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; |
| 960 | |
| 961 | color = PERF_COLOR_NORMAL; |
| 962 | if (ratio > 50.0) |
| 963 | color = PERF_COLOR_RED; |
| 964 | else if (ratio > 25.0) |
| 965 | color = PERF_COLOR_GREEN; |
| 966 | else if (ratio > 5.0) |
| 967 | color = PERF_COLOR_YELLOW; |
| 968 | |
| 969 | printed += color_fprintf(fp, color, "%20s", thread->comm); |
Adrian Hunter | 3805123 | 2013-07-04 16:20:31 +0300 | [diff] [blame] | 970 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 971 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
| 972 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); |
| 973 | } |
| 974 | |
| 975 | return printed; |
| 976 | } |
| 977 | |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 978 | static int trace__set_duration(const struct option *opt, const char *str, |
| 979 | int unset __maybe_unused) |
| 980 | { |
| 981 | struct trace *trace = opt->value; |
| 982 | |
| 983 | trace->duration_filter = atof(str); |
| 984 | return 0; |
| 985 | } |
| 986 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 987 | static int trace__open_output(struct trace *trace, const char *filename) |
| 988 | { |
| 989 | struct stat st; |
| 990 | |
| 991 | if (!stat(filename, &st) && st.st_size) { |
| 992 | char oldname[PATH_MAX]; |
| 993 | |
| 994 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); |
| 995 | unlink(oldname); |
| 996 | rename(filename, oldname); |
| 997 | } |
| 998 | |
| 999 | trace->output = fopen(filename, "w"); |
| 1000 | |
| 1001 | return trace->output == NULL ? -errno : 0; |
| 1002 | } |
| 1003 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1004 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
| 1005 | { |
| 1006 | const char * const trace_usage[] = { |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 1007 | "perf trace [<options>] [<command>]", |
| 1008 | "perf trace [<options>] -- <command> [<options>]", |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1009 | NULL |
| 1010 | }; |
| 1011 | struct trace trace = { |
| 1012 | .audit_machine = audit_detect_machine(), |
| 1013 | .syscalls = { |
| 1014 | . max = -1, |
| 1015 | }, |
| 1016 | .opts = { |
| 1017 | .target = { |
| 1018 | .uid = UINT_MAX, |
| 1019 | .uses_mmap = true, |
| 1020 | }, |
| 1021 | .user_freq = UINT_MAX, |
| 1022 | .user_interval = ULLONG_MAX, |
| 1023 | .no_delay = true, |
| 1024 | .mmap_pages = 1024, |
| 1025 | }, |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1026 | .output = stdout, |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1027 | }; |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1028 | const char *output_name = NULL; |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 1029 | const char *ev_qualifier_str = NULL; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1030 | const struct option trace_options[] = { |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 1031 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
| 1032 | "list of events to trace"), |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1033 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 1034 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1035 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
| 1036 | "trace events on existing process id"), |
David Ahern | ac9be8e | 2013-08-20 11:15:45 -0600 | [diff] [blame] | 1037 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1038 | "trace events on existing thread id"), |
David Ahern | ac9be8e | 2013-08-20 11:15:45 -0600 | [diff] [blame] | 1039 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1040 | "system-wide collection from all CPUs"), |
David Ahern | ac9be8e | 2013-08-20 11:15:45 -0600 | [diff] [blame] | 1041 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1042 | "list of cpus to monitor"), |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 1043 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1044 | "child tasks do not inherit counters"), |
David Ahern | ac9be8e | 2013-08-20 11:15:45 -0600 | [diff] [blame] | 1045 | OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1046 | "number of mmap data pages"), |
David Ahern | ac9be8e | 2013-08-20 11:15:45 -0600 | [diff] [blame] | 1047 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1048 | "user to profile"), |
Arnaldo Carvalho de Melo | ae9ed03 | 2012-10-08 09:56:00 -0300 | [diff] [blame] | 1049 | OPT_CALLBACK(0, "duration", &trace, "float", |
| 1050 | "show only events with duration > N.M ms", |
| 1051 | trace__set_duration), |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 1052 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
Arnaldo Carvalho de Melo | 7c304ee0 | 2013-08-22 16:49:54 -0300 | [diff] [blame] | 1053 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1054 | OPT_END() |
| 1055 | }; |
| 1056 | int err; |
Namhyung Kim | 32caf0d | 2012-10-05 14:02:13 +0900 | [diff] [blame] | 1057 | char bf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1058 | |
| 1059 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1060 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1061 | if (output_name != NULL) { |
| 1062 | err = trace__open_output(&trace, output_name); |
| 1063 | if (err < 0) { |
| 1064 | perror("failed to create output file"); |
| 1065 | goto out; |
| 1066 | } |
| 1067 | } |
| 1068 | |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 1069 | if (ev_qualifier_str != NULL) { |
Arnaldo Carvalho de Melo | b059efd | 2013-08-21 12:56:21 -0300 | [diff] [blame] | 1070 | const char *s = ev_qualifier_str; |
| 1071 | |
| 1072 | trace.not_ev_qualifier = *s == '!'; |
| 1073 | if (trace.not_ev_qualifier) |
| 1074 | ++s; |
| 1075 | trace.ev_qualifier = strlist__new(true, s); |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 1076 | if (trace.ev_qualifier == NULL) { |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1077 | fputs("Not enough memory to parse event qualifier", |
| 1078 | trace.output); |
| 1079 | err = -ENOMEM; |
| 1080 | goto out_close; |
Arnaldo Carvalho de Melo | 2ae3a31 | 2013-08-09 12:28:31 -0300 | [diff] [blame] | 1081 | } |
| 1082 | } |
| 1083 | |
Namhyung Kim | 32caf0d | 2012-10-05 14:02:13 +0900 | [diff] [blame] | 1084 | err = perf_target__validate(&trace.opts.target); |
| 1085 | if (err) { |
| 1086 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1087 | fprintf(trace.output, "%s", bf); |
| 1088 | goto out_close; |
Namhyung Kim | 32caf0d | 2012-10-05 14:02:13 +0900 | [diff] [blame] | 1089 | } |
| 1090 | |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1091 | err = perf_target__parse_uid(&trace.opts.target); |
| 1092 | if (err) { |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1093 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1094 | fprintf(trace.output, "%s", bf); |
| 1095 | goto out_close; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1096 | } |
| 1097 | |
Namhyung Kim | f15eb53 | 2012-10-05 14:02:16 +0900 | [diff] [blame] | 1098 | if (!argc && perf_target__none(&trace.opts.target)) |
Namhyung Kim | ee76120 | 2012-10-05 14:02:14 +0900 | [diff] [blame] | 1099 | trace.opts.target.system_wide = true; |
| 1100 | |
David Ahern | 6810fc9 | 2013-08-28 22:29:52 -0600 | [diff] [blame] | 1101 | if (input_name) |
| 1102 | err = trace__replay(&trace); |
| 1103 | else |
| 1104 | err = trace__run(&trace, argc, argv); |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 1105 | |
| 1106 | if (trace.sched && !err) |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1107 | trace__fprintf_thread_summary(&trace, trace.output); |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 1108 | |
Arnaldo Carvalho de Melo | c24ff99 | 2013-08-19 12:01:10 -0300 | [diff] [blame] | 1109 | out_close: |
| 1110 | if (output_name != NULL) |
| 1111 | fclose(trace.output); |
| 1112 | out: |
Arnaldo Carvalho de Melo | 1302d88 | 2012-10-17 17:13:12 -0300 | [diff] [blame] | 1113 | return err; |
Arnaldo Carvalho de Melo | 514f1c6 | 2012-09-26 20:05:56 -0300 | [diff] [blame] | 1114 | } |