Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> |
| 3 | * |
| 4 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Lesser General Public |
| 7 | * License as published by the Free Software Foundation; |
| 8 | * version 2.1 of the License (not later!) |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Lesser General Public |
| 16 | * License along with this program; if not, see <http://www.gnu.org/licenses> |
| 17 | * |
| 18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 19 | */ |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <string.h> |
| 23 | #include <stdint.h> |
| 24 | |
| 25 | #include "event-parse.h" |
| 26 | |
| 27 | #ifdef HAVE_UDIS86 |
| 28 | |
| 29 | #include <udis86.h> |
| 30 | |
| 31 | static ud_t ud; |
| 32 | |
| 33 | static void init_disassembler(void) |
| 34 | { |
| 35 | ud_init(&ud); |
| 36 | ud_set_syntax(&ud, UD_SYN_ATT); |
| 37 | } |
| 38 | |
| 39 | static const char *disassemble(unsigned char *insn, int len, uint64_t rip, |
| 40 | int cr0_pe, int eflags_vm, |
| 41 | int cs_d, int cs_l) |
| 42 | { |
| 43 | int mode; |
| 44 | |
| 45 | if (!cr0_pe) |
| 46 | mode = 16; |
| 47 | else if (eflags_vm) |
| 48 | mode = 16; |
| 49 | else if (cs_l) |
| 50 | mode = 64; |
| 51 | else if (cs_d) |
| 52 | mode = 32; |
| 53 | else |
| 54 | mode = 16; |
| 55 | |
| 56 | ud_set_pc(&ud, rip); |
| 57 | ud_set_mode(&ud, mode); |
| 58 | ud_set_input_buffer(&ud, insn, len); |
| 59 | ud_disassemble(&ud); |
| 60 | return ud_insn_asm(&ud); |
| 61 | } |
| 62 | |
| 63 | #else |
| 64 | |
| 65 | static void init_disassembler(void) |
| 66 | { |
| 67 | } |
| 68 | |
| 69 | static const char *disassemble(unsigned char *insn, int len, uint64_t rip, |
| 70 | int cr0_pe, int eflags_vm, |
| 71 | int cs_d, int cs_l) |
| 72 | { |
| 73 | static char out[15*3+1]; |
| 74 | int i; |
| 75 | |
| 76 | for (i = 0; i < len; ++i) |
| 77 | sprintf(out + i * 3, "%02x ", insn[i]); |
| 78 | out[len*3-1] = '\0'; |
| 79 | return out; |
| 80 | } |
| 81 | |
| 82 | #endif |
| 83 | |
| 84 | |
| 85 | #define VMX_EXIT_REASONS \ |
| 86 | _ER(EXCEPTION_NMI, 0) \ |
| 87 | _ER(EXTERNAL_INTERRUPT, 1) \ |
| 88 | _ER(TRIPLE_FAULT, 2) \ |
| 89 | _ER(PENDING_INTERRUPT, 7) \ |
| 90 | _ER(NMI_WINDOW, 8) \ |
| 91 | _ER(TASK_SWITCH, 9) \ |
| 92 | _ER(CPUID, 10) \ |
| 93 | _ER(HLT, 12) \ |
| 94 | _ER(INVD, 13) \ |
| 95 | _ER(INVLPG, 14) \ |
| 96 | _ER(RDPMC, 15) \ |
| 97 | _ER(RDTSC, 16) \ |
| 98 | _ER(VMCALL, 18) \ |
| 99 | _ER(VMCLEAR, 19) \ |
| 100 | _ER(VMLAUNCH, 20) \ |
| 101 | _ER(VMPTRLD, 21) \ |
| 102 | _ER(VMPTRST, 22) \ |
| 103 | _ER(VMREAD, 23) \ |
| 104 | _ER(VMRESUME, 24) \ |
| 105 | _ER(VMWRITE, 25) \ |
| 106 | _ER(VMOFF, 26) \ |
| 107 | _ER(VMON, 27) \ |
| 108 | _ER(CR_ACCESS, 28) \ |
| 109 | _ER(DR_ACCESS, 29) \ |
| 110 | _ER(IO_INSTRUCTION, 30) \ |
| 111 | _ER(MSR_READ, 31) \ |
| 112 | _ER(MSR_WRITE, 32) \ |
| 113 | _ER(MWAIT_INSTRUCTION, 36) \ |
| 114 | _ER(MONITOR_INSTRUCTION, 39) \ |
| 115 | _ER(PAUSE_INSTRUCTION, 40) \ |
| 116 | _ER(MCE_DURING_VMENTRY, 41) \ |
| 117 | _ER(TPR_BELOW_THRESHOLD, 43) \ |
| 118 | _ER(APIC_ACCESS, 44) \ |
| 119 | _ER(EOI_INDUCED, 45) \ |
| 120 | _ER(EPT_VIOLATION, 48) \ |
| 121 | _ER(EPT_MISCONFIG, 49) \ |
| 122 | _ER(INVEPT, 50) \ |
| 123 | _ER(PREEMPTION_TIMER, 52) \ |
| 124 | _ER(WBINVD, 54) \ |
| 125 | _ER(XSETBV, 55) \ |
| 126 | _ER(APIC_WRITE, 56) \ |
| 127 | _ER(INVPCID, 58) |
| 128 | |
| 129 | #define SVM_EXIT_REASONS \ |
| 130 | _ER(EXIT_READ_CR0, 0x000) \ |
| 131 | _ER(EXIT_READ_CR3, 0x003) \ |
| 132 | _ER(EXIT_READ_CR4, 0x004) \ |
| 133 | _ER(EXIT_READ_CR8, 0x008) \ |
| 134 | _ER(EXIT_WRITE_CR0, 0x010) \ |
| 135 | _ER(EXIT_WRITE_CR3, 0x013) \ |
| 136 | _ER(EXIT_WRITE_CR4, 0x014) \ |
| 137 | _ER(EXIT_WRITE_CR8, 0x018) \ |
| 138 | _ER(EXIT_READ_DR0, 0x020) \ |
| 139 | _ER(EXIT_READ_DR1, 0x021) \ |
| 140 | _ER(EXIT_READ_DR2, 0x022) \ |
| 141 | _ER(EXIT_READ_DR3, 0x023) \ |
| 142 | _ER(EXIT_READ_DR4, 0x024) \ |
| 143 | _ER(EXIT_READ_DR5, 0x025) \ |
| 144 | _ER(EXIT_READ_DR6, 0x026) \ |
| 145 | _ER(EXIT_READ_DR7, 0x027) \ |
| 146 | _ER(EXIT_WRITE_DR0, 0x030) \ |
| 147 | _ER(EXIT_WRITE_DR1, 0x031) \ |
| 148 | _ER(EXIT_WRITE_DR2, 0x032) \ |
| 149 | _ER(EXIT_WRITE_DR3, 0x033) \ |
| 150 | _ER(EXIT_WRITE_DR4, 0x034) \ |
| 151 | _ER(EXIT_WRITE_DR5, 0x035) \ |
| 152 | _ER(EXIT_WRITE_DR6, 0x036) \ |
| 153 | _ER(EXIT_WRITE_DR7, 0x037) \ |
| 154 | _ER(EXIT_EXCP_BASE, 0x040) \ |
| 155 | _ER(EXIT_INTR, 0x060) \ |
| 156 | _ER(EXIT_NMI, 0x061) \ |
| 157 | _ER(EXIT_SMI, 0x062) \ |
| 158 | _ER(EXIT_INIT, 0x063) \ |
| 159 | _ER(EXIT_VINTR, 0x064) \ |
| 160 | _ER(EXIT_CR0_SEL_WRITE, 0x065) \ |
| 161 | _ER(EXIT_IDTR_READ, 0x066) \ |
| 162 | _ER(EXIT_GDTR_READ, 0x067) \ |
| 163 | _ER(EXIT_LDTR_READ, 0x068) \ |
| 164 | _ER(EXIT_TR_READ, 0x069) \ |
| 165 | _ER(EXIT_IDTR_WRITE, 0x06a) \ |
| 166 | _ER(EXIT_GDTR_WRITE, 0x06b) \ |
| 167 | _ER(EXIT_LDTR_WRITE, 0x06c) \ |
| 168 | _ER(EXIT_TR_WRITE, 0x06d) \ |
| 169 | _ER(EXIT_RDTSC, 0x06e) \ |
| 170 | _ER(EXIT_RDPMC, 0x06f) \ |
| 171 | _ER(EXIT_PUSHF, 0x070) \ |
| 172 | _ER(EXIT_POPF, 0x071) \ |
| 173 | _ER(EXIT_CPUID, 0x072) \ |
| 174 | _ER(EXIT_RSM, 0x073) \ |
| 175 | _ER(EXIT_IRET, 0x074) \ |
| 176 | _ER(EXIT_SWINT, 0x075) \ |
| 177 | _ER(EXIT_INVD, 0x076) \ |
| 178 | _ER(EXIT_PAUSE, 0x077) \ |
| 179 | _ER(EXIT_HLT, 0x078) \ |
| 180 | _ER(EXIT_INVLPG, 0x079) \ |
| 181 | _ER(EXIT_INVLPGA, 0x07a) \ |
| 182 | _ER(EXIT_IOIO, 0x07b) \ |
| 183 | _ER(EXIT_MSR, 0x07c) \ |
| 184 | _ER(EXIT_TASK_SWITCH, 0x07d) \ |
| 185 | _ER(EXIT_FERR_FREEZE, 0x07e) \ |
| 186 | _ER(EXIT_SHUTDOWN, 0x07f) \ |
| 187 | _ER(EXIT_VMRUN, 0x080) \ |
| 188 | _ER(EXIT_VMMCALL, 0x081) \ |
| 189 | _ER(EXIT_VMLOAD, 0x082) \ |
| 190 | _ER(EXIT_VMSAVE, 0x083) \ |
| 191 | _ER(EXIT_STGI, 0x084) \ |
| 192 | _ER(EXIT_CLGI, 0x085) \ |
| 193 | _ER(EXIT_SKINIT, 0x086) \ |
| 194 | _ER(EXIT_RDTSCP, 0x087) \ |
| 195 | _ER(EXIT_ICEBP, 0x088) \ |
| 196 | _ER(EXIT_WBINVD, 0x089) \ |
| 197 | _ER(EXIT_MONITOR, 0x08a) \ |
| 198 | _ER(EXIT_MWAIT, 0x08b) \ |
| 199 | _ER(EXIT_MWAIT_COND, 0x08c) \ |
| 200 | _ER(EXIT_NPF, 0x400) \ |
| 201 | _ER(EXIT_ERR, -1) |
| 202 | |
| 203 | #define _ER(reason, val) { #reason, val }, |
| 204 | struct str_values { |
| 205 | const char *str; |
| 206 | int val; |
| 207 | }; |
| 208 | |
| 209 | static struct str_values vmx_exit_reasons[] = { |
| 210 | VMX_EXIT_REASONS |
| 211 | { NULL, -1} |
| 212 | }; |
| 213 | |
| 214 | static struct str_values svm_exit_reasons[] = { |
| 215 | SVM_EXIT_REASONS |
| 216 | { NULL, -1} |
| 217 | }; |
| 218 | |
| 219 | static struct isa_exit_reasons { |
| 220 | unsigned isa; |
| 221 | struct str_values *strings; |
| 222 | } isa_exit_reasons[] = { |
| 223 | { .isa = 1, .strings = vmx_exit_reasons }, |
| 224 | { .isa = 2, .strings = svm_exit_reasons }, |
| 225 | { } |
| 226 | }; |
| 227 | |
| 228 | static const char *find_exit_reason(unsigned isa, int val) |
| 229 | { |
| 230 | struct str_values *strings = NULL; |
| 231 | int i; |
| 232 | |
| 233 | for (i = 0; isa_exit_reasons[i].strings; ++i) |
| 234 | if (isa_exit_reasons[i].isa == isa) { |
| 235 | strings = isa_exit_reasons[i].strings; |
| 236 | break; |
| 237 | } |
| 238 | if (!strings) |
| 239 | return "UNKNOWN-ISA"; |
| 240 | for (i = 0; strings[i].val >= 0; i++) |
| 241 | if (strings[i].val == val) |
| 242 | break; |
Jan Kiszka | 20d3cbd | 2014-06-12 22:10:03 -0400 | [diff] [blame] | 243 | |
| 244 | return strings[i].str; |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 245 | } |
| 246 | |
Jan Kiszka | 6f21037 | 2014-06-12 22:10:04 -0400 | [diff] [blame^] | 247 | static int print_exit_reason(struct trace_seq *s, struct pevent_record *record, |
| 248 | struct event_format *event, const char *field) |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 249 | { |
| 250 | unsigned long long isa; |
| 251 | unsigned long long val; |
Jan Kiszka | 20d3cbd | 2014-06-12 22:10:03 -0400 | [diff] [blame] | 252 | const char *reason; |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 253 | |
Jan Kiszka | 6f21037 | 2014-06-12 22:10:04 -0400 | [diff] [blame^] | 254 | if (pevent_get_field_val(s, event, field, record, &val, 1) < 0) |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 255 | return -1; |
| 256 | |
| 257 | if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0) |
| 258 | isa = 1; |
| 259 | |
Jan Kiszka | 20d3cbd | 2014-06-12 22:10:03 -0400 | [diff] [blame] | 260 | reason = find_exit_reason(isa, val); |
| 261 | if (reason) |
| 262 | trace_seq_printf(s, "reason %s", reason); |
| 263 | else |
| 264 | trace_seq_printf(s, "reason UNKNOWN (%llu)", val); |
Jan Kiszka | 6f21037 | 2014-06-12 22:10:04 -0400 | [diff] [blame^] | 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record, |
| 269 | struct event_format *event, void *context) |
| 270 | { |
| 271 | unsigned long long info1 = 0, info2 = 0; |
| 272 | |
| 273 | if (print_exit_reason(s, record, event, "exit_reason") < 0) |
| 274 | return -1; |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 275 | |
| 276 | pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1); |
| 277 | |
| 278 | if (pevent_get_field_val(s, event, "info1", record, &info1, 0) >= 0 |
| 279 | && pevent_get_field_val(s, event, "info2", record, &info2, 0) >= 0) |
| 280 | trace_seq_printf(s, " info %llx %llx", info1, info2); |
| 281 | |
| 282 | return 0; |
| 283 | } |
| 284 | |
| 285 | #define KVM_EMUL_INSN_F_CR0_PE (1 << 0) |
| 286 | #define KVM_EMUL_INSN_F_EFL_VM (1 << 1) |
| 287 | #define KVM_EMUL_INSN_F_CS_D (1 << 2) |
| 288 | #define KVM_EMUL_INSN_F_CS_L (1 << 3) |
| 289 | |
| 290 | static int kvm_emulate_insn_handler(struct trace_seq *s, |
| 291 | struct pevent_record *record, |
| 292 | struct event_format *event, void *context) |
| 293 | { |
| 294 | unsigned long long rip, csbase, len, flags, failed; |
| 295 | int llen; |
| 296 | uint8_t *insn; |
| 297 | const char *disasm; |
| 298 | |
| 299 | if (pevent_get_field_val(s, event, "rip", record, &rip, 1) < 0) |
| 300 | return -1; |
| 301 | |
| 302 | if (pevent_get_field_val(s, event, "csbase", record, &csbase, 1) < 0) |
| 303 | return -1; |
| 304 | |
| 305 | if (pevent_get_field_val(s, event, "len", record, &len, 1) < 0) |
| 306 | return -1; |
| 307 | |
| 308 | if (pevent_get_field_val(s, event, "flags", record, &flags, 1) < 0) |
| 309 | return -1; |
| 310 | |
| 311 | if (pevent_get_field_val(s, event, "failed", record, &failed, 1) < 0) |
| 312 | return -1; |
| 313 | |
| 314 | insn = pevent_get_field_raw(s, event, "insn", record, &llen, 1); |
| 315 | if (!insn) |
| 316 | return -1; |
| 317 | |
| 318 | disasm = disassemble(insn, len, rip, |
| 319 | flags & KVM_EMUL_INSN_F_CR0_PE, |
| 320 | flags & KVM_EMUL_INSN_F_EFL_VM, |
| 321 | flags & KVM_EMUL_INSN_F_CS_D, |
| 322 | flags & KVM_EMUL_INSN_F_CS_L); |
| 323 | |
| 324 | trace_seq_printf(s, "%llx:%llx: %s%s", csbase, rip, disasm, |
| 325 | failed ? " FAIL" : ""); |
| 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | union kvm_mmu_page_role { |
| 330 | unsigned word; |
| 331 | struct { |
| 332 | unsigned glevels:4; |
| 333 | unsigned level:4; |
| 334 | unsigned quadrant:2; |
| 335 | unsigned pad_for_nice_hex_output:6; |
| 336 | unsigned direct:1; |
| 337 | unsigned access:3; |
| 338 | unsigned invalid:1; |
| 339 | unsigned cr4_pge:1; |
| 340 | unsigned nxe:1; |
| 341 | }; |
| 342 | }; |
| 343 | |
| 344 | static int kvm_mmu_print_role(struct trace_seq *s, struct pevent_record *record, |
| 345 | struct event_format *event, void *context) |
| 346 | { |
| 347 | unsigned long long val; |
| 348 | static const char *access_str[] = { |
| 349 | "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" |
| 350 | }; |
| 351 | union kvm_mmu_page_role role; |
| 352 | |
| 353 | if (pevent_get_field_val(s, event, "role", record, &val, 1) < 0) |
| 354 | return -1; |
| 355 | |
| 356 | role.word = (int)val; |
| 357 | |
| 358 | /* |
| 359 | * We can only use the structure if file is of the same |
| 360 | * endianess. |
| 361 | */ |
| 362 | if (pevent_is_file_bigendian(event->pevent) == |
| 363 | pevent_is_host_bigendian(event->pevent)) { |
| 364 | |
| 365 | trace_seq_printf(s, "%u/%u q%u%s %s%s %spge %snxe", |
| 366 | role.level, |
| 367 | role.glevels, |
| 368 | role.quadrant, |
| 369 | role.direct ? " direct" : "", |
| 370 | access_str[role.access], |
| 371 | role.invalid ? " invalid" : "", |
| 372 | role.cr4_pge ? "" : "!", |
| 373 | role.nxe ? "" : "!"); |
| 374 | } else |
| 375 | trace_seq_printf(s, "WORD: %08x", role.word); |
| 376 | |
| 377 | pevent_print_num_field(s, " root %u ", event, |
| 378 | "root_count", record, 1); |
| 379 | |
| 380 | if (pevent_get_field_val(s, event, "unsync", record, &val, 1) < 0) |
| 381 | return -1; |
| 382 | |
| 383 | trace_seq_printf(s, "%s%c", val ? "unsync" : "sync", 0); |
| 384 | return 0; |
| 385 | } |
| 386 | |
| 387 | static int kvm_mmu_get_page_handler(struct trace_seq *s, |
| 388 | struct pevent_record *record, |
| 389 | struct event_format *event, void *context) |
| 390 | { |
| 391 | unsigned long long val; |
| 392 | |
| 393 | if (pevent_get_field_val(s, event, "created", record, &val, 1) < 0) |
| 394 | return -1; |
| 395 | |
| 396 | trace_seq_printf(s, "%s ", val ? "new" : "existing"); |
| 397 | |
| 398 | if (pevent_get_field_val(s, event, "gfn", record, &val, 1) < 0) |
| 399 | return -1; |
| 400 | |
| 401 | trace_seq_printf(s, "sp gfn %llx ", val); |
| 402 | return kvm_mmu_print_role(s, record, event, context); |
| 403 | } |
| 404 | |
Jiri Olsa | 6d65894 | 2013-12-03 14:09:41 +0100 | [diff] [blame] | 405 | #define PT_WRITABLE_SHIFT 1 |
| 406 | #define PT_WRITABLE_MASK (1ULL << PT_WRITABLE_SHIFT) |
| 407 | |
| 408 | static unsigned long long |
| 409 | process_is_writable_pte(struct trace_seq *s, unsigned long long *args) |
| 410 | { |
| 411 | unsigned long pte = args[0]; |
| 412 | return pte & PT_WRITABLE_MASK; |
| 413 | } |
| 414 | |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 415 | int PEVENT_PLUGIN_LOADER(struct pevent *pevent) |
| 416 | { |
| 417 | init_disassembler(); |
| 418 | |
| 419 | pevent_register_event_handler(pevent, -1, "kvm", "kvm_exit", |
| 420 | kvm_exit_handler, NULL); |
| 421 | |
| 422 | pevent_register_event_handler(pevent, -1, "kvm", "kvm_emulate_insn", |
| 423 | kvm_emulate_insn_handler, NULL); |
| 424 | |
| 425 | pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_get_page", |
| 426 | kvm_mmu_get_page_handler, NULL); |
| 427 | |
| 428 | pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_sync_page", |
| 429 | kvm_mmu_print_role, NULL); |
| 430 | |
| 431 | pevent_register_event_handler(pevent, -1, |
| 432 | "kvmmmu", "kvm_mmu_unsync_page", |
| 433 | kvm_mmu_print_role, NULL); |
| 434 | |
| 435 | pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_zap_page", |
| 436 | kvm_mmu_print_role, NULL); |
| 437 | |
| 438 | pevent_register_event_handler(pevent, -1, "kvmmmu", |
| 439 | "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, |
| 440 | NULL); |
Jiri Olsa | 6d65894 | 2013-12-03 14:09:41 +0100 | [diff] [blame] | 441 | |
| 442 | pevent_register_print_function(pevent, |
| 443 | process_is_writable_pte, |
| 444 | PEVENT_FUNC_ARG_INT, |
| 445 | "is_writable_pte", |
| 446 | PEVENT_FUNC_ARG_LONG, |
| 447 | PEVENT_FUNC_ARG_VOID); |
Jiri Olsa | 35d79f9f | 2013-12-03 14:09:29 +0100 | [diff] [blame] | 448 | return 0; |
| 449 | } |
Namhyung Kim | 354a2bd | 2014-01-16 11:31:12 +0900 | [diff] [blame] | 450 | |
| 451 | void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) |
| 452 | { |
| 453 | pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_exit", |
| 454 | kvm_exit_handler, NULL); |
| 455 | |
| 456 | pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_emulate_insn", |
| 457 | kvm_emulate_insn_handler, NULL); |
| 458 | |
| 459 | pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_get_page", |
| 460 | kvm_mmu_get_page_handler, NULL); |
| 461 | |
| 462 | pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_sync_page", |
| 463 | kvm_mmu_print_role, NULL); |
| 464 | |
| 465 | pevent_unregister_event_handler(pevent, -1, |
| 466 | "kvmmmu", "kvm_mmu_unsync_page", |
| 467 | kvm_mmu_print_role, NULL); |
| 468 | |
| 469 | pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_zap_page", |
| 470 | kvm_mmu_print_role, NULL); |
| 471 | |
| 472 | pevent_unregister_event_handler(pevent, -1, "kvmmmu", |
| 473 | "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, |
| 474 | NULL); |
| 475 | |
| 476 | pevent_unregister_print_function(pevent, process_is_writable_pte, |
| 477 | "is_writable_pte"); |
| 478 | } |