Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Some corner case fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 7c12650..8a4b9bc 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -249,6 +249,8 @@
LIB_H += util/include/dwarf-regs.h
LIB_H += util/include/asm/dwarf2.h
LIB_H += util/include/asm/cpufeature.h
+LIB_H += util/include/asm/unistd_32.h
+LIB_H += util/include/asm/unistd_64.h
LIB_H += perf.h
LIB_H += util/annotate.h
LIB_H += util/cache.h
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index eba80c2..2f7073d 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -25,7 +25,7 @@
pvr = mfspr(SPRN_PVR);
- nb = snprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
+ nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
/* look for end marker to ensure the entire data fit */
if (strchr(buffer, '$')) {
diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index f940060..146d12a 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -48,7 +48,7 @@
if (family >= 0x6)
model += ((a >> 16) & 0xf) << 4;
}
- nb = snprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
+ nb = scnprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
/* look for end marker to ensure the entire data fit */
if (strchr(buffer, '$')) {
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 16e7d20..3afa39a 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -10,6 +10,9 @@
#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC "model name"
+#ifndef __NR_perf_event_open
+# define __NR_perf_event_open 336
+#endif
#endif
#if defined(__x86_64__)
@@ -17,6 +20,9 @@
#define rmb() asm volatile("lfence" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC "model name"
+#ifndef __NR_perf_event_open
+# define __NR_perf_event_open 298
+#endif
#endif
#ifdef __powerpc__
diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c
index 521c38a..11e46da1 100644
--- a/tools/perf/util/color.c
+++ b/tools/perf/util/color.c
@@ -1,3 +1,4 @@
+#include <linux/kernel.h>
#include "cache.h"
#include "color.h"
@@ -182,12 +183,12 @@
}
if (perf_use_color_default && *color)
- r += snprintf(bf, size, "%s", color);
- r += vsnprintf(bf + r, size - r, fmt, args);
+ r += scnprintf(bf, size, "%s", color);
+ r += vscnprintf(bf + r, size - r, fmt, args);
if (perf_use_color_default && *color)
- r += snprintf(bf + r, size - r, "%s", PERF_COLOR_RESET);
+ r += scnprintf(bf + r, size - r, "%s", PERF_COLOR_RESET);
if (trail)
- r += snprintf(bf + r, size - r, "%s", trail);
+ r += scnprintf(bf + r, size - r, "%s", trail);
return r;
}
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index ecd7f4d..14bb035 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -280,7 +280,7 @@
if (realname == NULL || filename == NULL || linkname == NULL)
goto out_free;
- len = snprintf(filename, size, "%s%s%s",
+ len = scnprintf(filename, size, "%s%s%s",
debugdir, is_kallsyms ? "/" : "", realname);
if (mkdir_p(filename, 0755))
goto out_free;
@@ -295,7 +295,7 @@
goto out_free;
}
- len = snprintf(linkname, size, "%s/.build-id/%.2s",
+ len = scnprintf(linkname, size, "%s/.build-id/%.2s",
debugdir, sbuild_id);
if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 6f505d1..e11e482 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -768,7 +768,7 @@
sep ? "%.2f" : " %6.2f%%",
(period * 100.0) / total);
else
- ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%",
+ ret = scnprintf(s, size, sep ? "%.2f" : " %6.2f%%",
(period * 100.0) / total);
if (symbol_conf.show_cpu_utilization) {
ret += percent_color_snprintf(s + ret, size - ret,
@@ -791,20 +791,20 @@
}
}
} else
- ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
+ ret = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
if (symbol_conf.show_nr_samples) {
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
+ ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
else
- ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
+ ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
}
if (symbol_conf.show_total_period) {
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
+ ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
else
- ret += snprintf(s + ret, size - ret, " %12" PRIu64, period);
+ ret += scnprintf(s + ret, size - ret, " %12" PRIu64, period);
}
if (pair_hists) {
@@ -819,25 +819,25 @@
diff = new_percent - old_percent;
if (fabs(diff) >= 0.01)
- snprintf(bf, sizeof(bf), "%+4.2F%%", diff);
+ ret += scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
else
- snprintf(bf, sizeof(bf), " ");
+ ret += scnprintf(bf, sizeof(bf), " ");
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
+ ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
else
- ret += snprintf(s + ret, size - ret, "%11.11s", bf);
+ ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
if (show_displacement) {
if (displacement)
- snprintf(bf, sizeof(bf), "%+4ld", displacement);
+ ret += scnprintf(bf, sizeof(bf), "%+4ld", displacement);
else
- snprintf(bf, sizeof(bf), " ");
+ ret += scnprintf(bf, sizeof(bf), " ");
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
+ ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
else
- ret += snprintf(s + ret, size - ret, "%6.6s", bf);
+ ret += scnprintf(s + ret, size - ret, "%6.6s", bf);
}
}
@@ -855,7 +855,7 @@
if (se->elide)
continue;
- ret += snprintf(s + ret, size - ret, "%s", sep ?: " ");
+ ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
ret += se->se_snprintf(he, s + ret, size - ret,
hists__col_len(hists, se->se_width_idx));
}
diff --git a/tools/perf/util/include/asm/unistd_32.h b/tools/perf/util/include/asm/unistd_32.h
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/tools/perf/util/include/asm/unistd_32.h
@@ -0,0 +1 @@
+
diff --git a/tools/perf/util/include/asm/unistd_64.h b/tools/perf/util/include/asm/unistd_64.h
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/tools/perf/util/include/asm/unistd_64.h
@@ -0,0 +1 @@
+
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 16da30d..076c9d4 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -33,6 +33,9 @@
}
}
va_end(ap);
+
+ if (n >= (int)size)
+ return size - 1;
return n;
}
diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index 92e0685..2eeb51b 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include <linux/kernel.h>
int prefixcmp(const char *str, const char *prefix)
{
@@ -89,14 +90,14 @@
if (!strbuf_avail(sb))
strbuf_grow(sb, 64);
va_start(ap, fmt);
- len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
+ len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
va_end(ap);
if (len < 0)
- die("your vsnprintf is broken");
+ die("your vscnprintf is broken");
if (len > strbuf_avail(sb)) {
strbuf_grow(sb, len);
va_start(ap, fmt);
- len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
+ len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
va_end(ap);
if (len > strbuf_avail(sb)) {
die("this should not happen, your snprintf is broken");
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index e81aef1..bb9197c 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -837,15 +837,15 @@
unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
nr_events = convert_unit(nr_events, &unit);
- printed = snprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name);
+ printed = scnprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name);
if (thread)
- printed += snprintf(bf + printed, size - printed,
+ printed += scnprintf(bf + printed, size - printed,
", Thread: %s(%d)",
(thread->comm_set ? thread->comm : ""),
thread->pid);
if (dso)
- printed += snprintf(bf + printed, size - printed,
+ printed += scnprintf(bf + printed, size - printed,
", DSO: %s", dso->short_name);
return printed;
}
@@ -1095,7 +1095,7 @@
HE_COLORSET_NORMAL);
nr_events = convert_unit(nr_events, &unit);
- printed = snprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
+ printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
unit, unit == ' ' ? "" : " ", ev_name);
slsmg_printf("%s", bf);
@@ -1105,8 +1105,8 @@
if (!current_entry)
ui_browser__set_color(browser, HE_COLORSET_TOP);
nr_events = convert_unit(nr_events, &unit);
- snprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", nr_events,
- unit, unit == ' ' ? "" : " ");
+ printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!",
+ nr_events, unit, unit == ' ' ? "" : " ");
warn = bf;
}
diff --git a/tools/perf/util/ui/helpline.c b/tools/perf/util/ui/helpline.c
index 4f48f59..2f950c2 100644
--- a/tools/perf/util/ui/helpline.c
+++ b/tools/perf/util/ui/helpline.c
@@ -64,7 +64,7 @@
static int backlog;
pthread_mutex_lock(&ui__lock);
- ret = vsnprintf(ui_helpline__last_msg + backlog,
+ ret = vscnprintf(ui_helpline__last_msg + backlog,
sizeof(ui_helpline__last_msg) - backlog, format, ap);
backlog += ret;