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Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Browse Source 
Conflicts:
	tools/perf/builtin-stat.c
This commit is contained in:
Ingo Molnar 2011-08-18 21:58:46 +02:00
commit 51887c8230
8 changed files with 126 additions and 66 deletions
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11
tools/perf/Documentation/perf-annotate.txt
View File

@ -72,6 +72,17 @@ OPTIONS
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
--asm-raw::
Show raw instruction encoding of assembly instructions. They
are displayed by default, disable with --no-asm-raw.
--source::
Interleave source code with assembly code. Enabled by default,
disable with --no-source.
--symfs=<directory>::
Look for files with symbols relative to this directory.
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]

7
tools/perf/Documentation/perf-stat.txt
View File

@ -94,6 +94,13 @@ an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must ha
corresponding events, i.e., they always refer to events defined earlier on the command
line.
-o file::
-output file::
Print the output into the designated file.
--append::
Append to the output file designated with the -o option. Ignored if -o is not specified.
EXAMPLES
--------

6
tools/perf/builtin-annotate.c
View File

@ -267,6 +267,12 @@ static const struct option options[] = {
OPT_BOOLEAN('P', "full-paths", &full_paths,
"Don't shorten the displayed pathnames"),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
OPT_BOOLEAN('0', "source", &symbol_conf.annotate_src,
"Interleave source code with assembly code (default)"),
OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_END()
};

155
tools/perf/builtin-stat.c
View File

@ -194,6 +194,8 @@ static const char *cpu_list;
static const char *csv_sep = NULL;
static bool csv_output = false;
static bool group = false;
static const char *output_name = NULL;
static FILE *output = NULL;
static volatile int done = 0;
@ -352,7 +354,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
update_stats(&ps->res_stats[i], count[i]);
if (verbose) {
fprintf(stderr, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
event_name(counter), count[0], count[1], count[2]);
}
@ -519,9 +521,9 @@ static void print_noise_pct(double total, double avg)
pct = 100.0*total/avg;
if (csv_output)
fprintf(stderr, "%s%.2f%%", csv_sep, pct);
fprintf(output, "%s%.2f%%", csv_sep, pct);
else
fprintf(stderr, " ( +-%6.2f%% )", pct);
fprintf(output, " ( +-%6.2f%% )", pct);
}
static void print_noise(struct perf_evsel *evsel, double avg)
@ -546,16 +548,17 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg)
csv_output ? 0 : -4,
evsel_list->cpus->map[cpu], csv_sep);
fprintf(stderr, fmt, cpustr, msecs, csv_sep, event_name(evsel));
fprintf(output, fmt, cpustr, msecs, csv_sep, event_name(evsel));
if (evsel->cgrp)
fprintf(stderr, "%s%s", csv_sep, evsel->cgrp->name);
fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
if (csv_output)
return;
if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
fprintf(stderr, " # %8.3f CPUs utilized ", avg / avg_stats(&walltime_nsecs_stats));
fprintf(output, " # %8.3f CPUs utilized ",
avg / avg_stats(&walltime_nsecs_stats));
}
static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __used, double avg)
@ -576,9 +579,9 @@ static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __us
else if (ratio > 10.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " frontend cycles idle ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " frontend cycles idle ");
}
static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __used, double avg)
@ -599,9 +602,9 @@ static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __use
else if (ratio > 20.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " backend cycles idle ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " backend cycles idle ");
}
static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@ -622,9 +625,9 @@ static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all branches ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " of all branches ");
}
static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@ -645,9 +648,9 @@ static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, dou
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all L1-dcache hits ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " of all L1-dcache hits ");
}
static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@ -668,9 +671,9 @@ static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, dou
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all L1-icache hits ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " of all L1-icache hits ");
}
static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@ -691,9 +694,9 @@ static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, do
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all dTLB cache hits ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " of all dTLB cache hits ");
}
static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@ -714,9 +717,9 @@ static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, do
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all iTLB cache hits ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " of all iTLB cache hits ");
}
static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@ -737,9 +740,9 @@ static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, doub
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all LL-cache hits ");
fprintf(output, " # ");
color_fprintf(output, color, "%6.2f%%", ratio);
fprintf(output, " of all LL-cache hits ");
}
static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
@ -762,10 +765,10 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
else
cpu = 0;
fprintf(stderr, fmt, cpustr, avg, csv_sep, event_name(evsel));
fprintf(output, fmt, cpustr, avg, csv_sep, event_name(evsel));
if (evsel->cgrp)
fprintf(stderr, "%s%s", csv_sep, evsel->cgrp->name);
fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
if (csv_output)
return;
@ -776,14 +779,14 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
if (total)
ratio = avg / total;
fprintf(stderr, " # %5.2f insns per cycle ", ratio);
fprintf(output, " # %5.2f insns per cycle ", ratio);
total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]);
total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu]));
if (total && avg) {
ratio = total / avg;
fprintf(stderr, "\n # %5.2f stalled cycles per insn", ratio);
fprintf(output, "\n # %5.2f stalled cycles per insn", ratio);
}
} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
@ -831,7 +834,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
if (total)
ratio = avg * 100 / total;
fprintf(stderr, " # %8.3f %% of all cache refs ", ratio);
fprintf(output, " # %8.3f %% of all cache refs ", ratio);
} else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
print_stalled_cycles_frontend(cpu, evsel, avg);
@ -843,16 +846,16 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
if (total)
ratio = 1.0 * avg / total;
fprintf(stderr, " # %8.3f GHz ", ratio);
fprintf(output, " # %8.3f GHz ", ratio);
} else if (runtime_nsecs_stats[cpu].n != 0) {
total = avg_stats(&runtime_nsecs_stats[cpu]);
if (total)
ratio = 1000.0 * avg / total;
fprintf(stderr, " # %8.3f M/sec ", ratio);
fprintf(output, " # %8.3f M/sec ", ratio);
} else {
fprintf(stderr, " ");
fprintf(output, " ");
}
}
@ -867,7 +870,7 @@ static void print_counter_aggr(struct perf_evsel *counter)
int scaled = counter->counts->scaled;
if (scaled == -1) {
fprintf(stderr, "%*s%s%*s",
fprintf(output, "%*s%s%*s",
csv_output ? 0 : 18,
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
csv_sep,
@ -875,9 +878,9 @@ static void print_counter_aggr(struct perf_evsel *counter)
event_name(counter));
if (counter->cgrp)
fprintf(stderr, "%s%s", csv_sep, counter->cgrp->name);
fprintf(output, "%s%s", csv_sep, counter->cgrp->name);
fputc('\n', stderr);
fputc('\n', output);
return;
}
@ -889,7 +892,7 @@ static void print_counter_aggr(struct perf_evsel *counter)
print_noise(counter, avg);
if (csv_output) {
fputc('\n', stderr);
fputc('\n', output);
return;
}
@ -899,9 +902,9 @@ static void print_counter_aggr(struct perf_evsel *counter)
avg_enabled = avg_stats(&ps->res_stats[1]);
avg_running = avg_stats(&ps->res_stats[2]);
fprintf(stderr, " [%5.2f%%]", 100 * avg_running / avg_enabled);
fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled);
}
fprintf(stderr, "\n");
fprintf(output, "\n");
}
/*
@ -918,7 +921,7 @@ static void print_counter(struct perf_evsel *counter)
ena = counter->counts->cpu[cpu].ena;
run = counter->counts->cpu[cpu].run;
if (run == 0 || ena == 0) {
fprintf(stderr, "CPU%*d%s%*s%s%*s",
fprintf(output, "CPU%*d%s%*s%s%*s",
csv_output ? 0 : -4,
evsel_list->cpus->map[cpu], csv_sep,
csv_output ? 0 : 18,
@ -928,9 +931,10 @@ static void print_counter(struct perf_evsel *counter)
event_name(counter));
if (counter->cgrp)
fprintf(stderr, "%s%s", csv_sep, counter->cgrp->name);
fprintf(output, "%s%s",
csv_sep, counter->cgrp->name);
fputc('\n', stderr);
fputc('\n', output);
continue;
}
@ -943,9 +947,10 @@ static void print_counter(struct perf_evsel *counter)
print_noise(counter, 1.0);
if (run != ena)
fprintf(stderr, " (%.2f%%)", 100.0 * run / ena);
fprintf(output, " (%.2f%%)",
100.0 * run / ena);
}
fputc('\n', stderr);
fputc('\n', output);
}
}
@ -957,21 +962,21 @@ static void print_stat(int argc, const char **argv)
fflush(stdout);
if (!csv_output) {
fprintf(stderr, "\n");
fprintf(stderr, " Performance counter stats for ");
fprintf(output, "\n");
fprintf(output, " Performance counter stats for ");
if(target_pid == -1 && target_tid == -1) {
fprintf(stderr, "\'%s", argv[0]);
fprintf(output, "\'%s", argv[0]);
for (i = 1; i < argc; i++)
fprintf(stderr, " %s", argv[i]);
fprintf(output, " %s", argv[i]);
} else if (target_pid != -1)
fprintf(stderr, "process id \'%d", target_pid);
fprintf(output, "process id \'%d", target_pid);
else
fprintf(stderr, "thread id \'%d", target_tid);
fprintf(output, "thread id \'%d", target_tid);
fprintf(stderr, "\'");
fprintf(output, "\'");
if (run_count > 1)
fprintf(stderr, " (%d runs)", run_count);
fprintf(stderr, ":\n\n");
fprintf(output, " (%d runs)", run_count);
fprintf(output, ":\n\n");
}
if (no_aggr) {
@ -984,15 +989,15 @@ static void print_stat(int argc, const char **argv)
if (!csv_output) {
if (!null_run)
fprintf(stderr, "\n");
fprintf(stderr, " %17.9f seconds time elapsed",
fprintf(output, "\n");
fprintf(output, " %17.9f seconds time elapsed",
avg_stats(&walltime_nsecs_stats)/1e9);
if (run_count > 1) {
fprintf(stderr, " ");
fprintf(output, " ");
print_noise_pct(stddev_stats(&walltime_nsecs_stats),
avg_stats(&walltime_nsecs_stats));
}
fprintf(stderr, "\n\n");
fprintf(output, "\n\n");
}
}
@ -1030,6 +1035,8 @@ static int stat__set_big_num(const struct option *opt __used,
return 0;
}
static bool append_file;
static const struct option options[] = {
OPT_CALLBACK('e', "event", &evsel_list, "event",
"event selector. use 'perf list' to list available events",
@ -1070,6 +1077,9 @@ static const struct option options[] = {
OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
"monitor event in cgroup name only",
parse_cgroups),
OPT_STRING('o', "output", &output_name, "file",
"output file name"),
OPT_BOOLEAN(0, "append", &append_file, "append to the output file"),
OPT_END()
};
@ -1141,6 +1151,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
{
struct perf_evsel *pos;
int status = -ENOMEM;
const char *mode;
setlocale(LC_ALL, "");
@ -1151,6 +1162,23 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
argc = parse_options(argc, argv, options, stat_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
output = stderr;
if (output_name && strcmp(output_name, "-"))
output = NULL;
if (!output) {
struct timespec tm;
mode = append_file ? "a" : "w";
output = fopen(output_name, mode);
if (!output) {
perror("failed to create output file");
exit(-1);
}
clock_gettime(CLOCK_REALTIME, &tm);
fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
}
if (csv_sep)
csv_output = true;
else
@ -1226,7 +1254,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
status = 0;
for (run_idx = 0; run_idx < run_count; run_idx++) {
if (run_count != 1 && verbose)
fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx + 1);
fprintf(output, "[ perf stat: executing run #%d ... ]\n",
run_idx + 1);
if (sync_run)
sync();

5
tools/perf/util/annotate.c
View File

@ -324,9 +324,12 @@ fallback:
snprintf(command, sizeof(command),
"objdump --start-address=0x%016" PRIx64
" --stop-address=0x%016" PRIx64 " -dS -C %s|grep -v %s|expand",
" --stop-address=0x%016" PRIx64
" -d %s %s -C %s|grep -v %s|expand",
map__rip_2objdump(map, sym->start),
map__rip_2objdump(map, sym->end),
symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
symbol_conf.annotate_src ? "-S" : "",
symfs_filename, filename);
pr_debug("Executing: %s\n", command);

2
tools/perf/util/color.c
View File

@ -200,7 +200,7 @@ static int __color_vfprintf(FILE *fp, const char *color, const char *fmt,
* Auto-detect:
*/
if (perf_use_color_default < 0) {
if (isatty(1) || pager_in_use())
if (isatty(fileno(fp)) || pager_in_use())
perf_use_color_default = 1;
else
perf_use_color_default = 0;

2
tools/perf/util/symbol.c
View File

@ -46,6 +46,8 @@ struct symbol_conf symbol_conf = {
.exclude_other = true,
.use_modules = true,
.try_vmlinux_path = true,
.annotate_asm_raw = true,
.annotate_src = true,
.symfs = "",
};

4
tools/perf/util/symbol.h
View File

@ -76,7 +76,9 @@ struct symbol_conf {
exclude_other,
show_cpu_utilization,
initialized,
kptr_restrict;
kptr_restrict,
annotate_asm_raw,
annotate_src;
const char *vmlinux_name,
*kallsyms_name,
*source_prefix,