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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-12-02 11:06:37 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-12-02 11:06:37 -0200
commit482ad89745f7121020f6cee38aa4e894a4e7d642 (patch)
tree189b3becabfaebcdccf93c27fbde03233610d17f /tools/perf
parente60770a01bd889707faaaeb794f1e278e7160458 (diff)
downloadlinux-linaro-stable-482ad89745f7121020f6cee38aa4e894a4e7d642.tar.gz
perf event: Introduce perf_event__fprintf
So that tools like 'perf test' can print the events when in verbose mode, for instance. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-xnovdqfi25nc48gy6604k7yp@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/event.c54
-rw-r--r--tools/perf/util/event.h6
2 files changed, 54 insertions, 6 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 0ebbe7641335..97c479bcb0dc 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -433,6 +433,11 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
return err;
}
+size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid);
+}
+
int perf_event__process_comm(struct perf_tool *tool __used,
union perf_event *event,
struct perf_sample *sample __used,
@@ -440,7 +445,8 @@ int perf_event__process_comm(struct perf_tool *tool __used,
{
struct thread *thread = machine__findnew_thread(machine, event->comm.tid);
- dump_printf(": %s:%d\n", event->comm.comm, event->comm.tid);
+ if (dump_trace)
+ perf_event__fprintf_comm(event, stdout);
if (thread == NULL || thread__set_comm(thread, event->comm.comm)) {
dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
@@ -566,6 +572,13 @@ out_problem:
return -1;
}
+size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
+ event->mmap.pid, event->mmap.tid, event->mmap.start,
+ event->mmap.len, event->mmap.pgoff, event->mmap.filename);
+}
+
int perf_event__process_mmap(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __used,
@@ -576,9 +589,8 @@ int perf_event__process_mmap(struct perf_tool *tool,
u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
int ret = 0;
- dump_printf(" %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
- event->mmap.pid, event->mmap.tid, event->mmap.start,
- event->mmap.len, event->mmap.pgoff, event->mmap.filename);
+ if (dump_trace)
+ perf_event__fprintf_mmap(event, stdout);
if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||
cpumode == PERF_RECORD_MISC_KERNEL) {
@@ -606,6 +618,13 @@ out_problem:
return 0;
}
+size_t perf_event__fprintf_task(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, "(%d:%d):(%d:%d)\n",
+ event->fork.pid, event->fork.tid,
+ event->fork.ppid, event->fork.ptid);
+}
+
int perf_event__process_task(struct perf_tool *tool __used,
union perf_event *event,
struct perf_sample *sample __used,
@@ -614,8 +633,8 @@ int perf_event__process_task(struct perf_tool *tool __used,
struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
struct thread *parent = machine__findnew_thread(machine, event->fork.ptid);
- dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid,
- event->fork.ppid, event->fork.ptid);
+ if (dump_trace)
+ perf_event__fprintf_task(event, stdout);
if (event->header.type == PERF_RECORD_EXIT) {
machine__remove_thread(machine, thread);
@@ -631,6 +650,29 @@ int perf_event__process_task(struct perf_tool *tool __used,
return 0;
}
+size_t perf_event__fprintf(union perf_event *event, FILE *fp)
+{
+ size_t ret = fprintf(fp, "PERF_RECORD_%s",
+ perf_event__name(event->header.type));
+
+ switch (event->header.type) {
+ case PERF_RECORD_COMM:
+ ret += perf_event__fprintf_comm(event, fp);
+ break;
+ case PERF_RECORD_FORK:
+ case PERF_RECORD_EXIT:
+ ret += perf_event__fprintf_task(event, fp);
+ break;
+ case PERF_RECORD_MMAP:
+ ret += perf_event__fprintf_mmap(event, fp);
+ break;
+ default:
+ ret += fprintf(fp, "\n");
+ }
+
+ return ret;
+}
+
int perf_event__process(struct perf_tool *tool, union perf_event *event,
struct perf_sample *sample, struct machine *machine)
{
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index d8499e7cf641..0d80201ce844 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -2,6 +2,7 @@
#define __PERF_RECORD_H
#include <limits.h>
+#include <stdio.h>
#include "../perf.h"
#include "map.h"
@@ -199,4 +200,9 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
int sample_size, bool sample_id_all,
struct perf_sample *sample, bool swapped);
+size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf(union perf_event *event, FILE *fp);
+
#endif /* __PERF_RECORD_H */