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authorPetr Holasek <pholasek@redhat.com>2015-04-16 17:38:18 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-05-04 12:43:41 -0300
commitb64aa553d8430aabd24f303899cfa4de678e2c3a (patch)
tree19a87df3b52c6d92c792dbf462614e301caa8fb7 /tools/perf/bench
parent762abdc0c6c013425958cd9f5105f4e32268d434 (diff)
downloadlinux-b64aa553d8430aabd24f303899cfa4de678e2c3a.tar.gz
perf bench numa: Show more stats of particular threads in verbose mode
In verbose mode perf bench numa shows also GB/s speed, system and user cpu time for each particular thread. Using of getrusage() can provide much more per process or per thread stats in future. Signed-off-by: Petr Holasek <pholasek@redhat.com> Reviewed-by: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1429198699-25039-3-git-send-email-pholasek@redhat.com [ Rename 'usage' variable to not shadow util.h's usage() ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/bench')
-rw-r--r--tools/perf/bench/numa.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index ebfa163b80b5..0b704c5f6d90 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -23,6 +23,7 @@
#include <pthread.h>
#include <sys/mman.h>
#include <sys/time.h>
+#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/prctl.h>
#include <sys/types.h>
@@ -51,6 +52,9 @@ struct thread_data {
unsigned int loops_done;
u64 val;
u64 runtime_ns;
+ u64 system_time_ns;
+ u64 user_time_ns;
+ double speed_gbs;
pthread_mutex_t *process_lock;
};
@@ -1034,6 +1038,7 @@ static void *worker_thread(void *__tdata)
u64 bytes_done;
long work_done;
u32 l;
+ struct rusage rusage;
bind_to_cpumask(td->bind_cpumask);
bind_to_memnode(td->bind_node);
@@ -1186,6 +1191,13 @@ static void *worker_thread(void *__tdata)
timersub(&stop, &start0, &diff);
td->runtime_ns = diff.tv_sec * 1000000000ULL;
td->runtime_ns += diff.tv_usec * 1000ULL;
+ td->speed_gbs = bytes_done / (td->runtime_ns / 1e9) / 1e9;
+
+ getrusage(RUSAGE_THREAD, &rusage);
+ td->system_time_ns = rusage.ru_stime.tv_sec * 1000000000ULL;
+ td->system_time_ns += rusage.ru_stime.tv_usec * 1000ULL;
+ td->user_time_ns = rusage.ru_utime.tv_sec * 1000000000ULL;
+ td->user_time_ns += rusage.ru_utime.tv_usec * 1000ULL;
free_data(thread_data, g->p.bytes_thread);
@@ -1412,7 +1424,7 @@ static int __bench_numa(const char *name)
double runtime_sec_min;
int wait_stat;
double bytes;
- int i, t;
+ int i, t, p;
if (init())
return -1;
@@ -1548,6 +1560,24 @@ static int __bench_numa(const char *name)
print_res(name, bytes / runtime_sec_max / 1e9,
"GB/sec,", "total-speed", "GB/sec total speed");
+ if (g->p.show_details >= 2) {
+ char tname[32];
+ struct thread_data *td;
+ for (p = 0; p < g->p.nr_proc; p++) {
+ for (t = 0; t < g->p.nr_threads; t++) {
+ memset(tname, 0, 32);
+ td = g->threads + p*g->p.nr_threads + t;
+ snprintf(tname, 32, "process%d:thread%d", p, t);
+ print_res(tname, td->speed_gbs,
+ "GB/sec", "thread-speed", "GB/sec/thread speed");
+ print_res(tname, td->system_time_ns / 1e9,
+ "secs", "thread-system-time", "system CPU time/thread");
+ print_res(tname, td->user_time_ns / 1e9,
+ "secs", "thread-user-time", "user CPU time/thread");
+ }
+ }
+ }
+
free(pids);
deinit();