The 'trace_fields' sort key is similar as 'trace' sort key, but it shows
each fields separately. Each event will get different columns as their
fields.
$ perf report -s trace_fields --stdio
# To display the perf.data header info, please use --header/--header-only
options.
#
#
# Total Lost Samples: 0
#
# Samples: 20K of event 'kmem:kmalloc'
# Event count (approx.): 20533
#
# Overhead Command call_site ptr bytes_req
bytes_alloc gfp_flags
# ........ ....... .................. .................. .........
........... ...................
#
99.89% perf ffffffffa01d4396 0xffff8803ffb79720 96
96 GFP_NOFS|GFP_ZERO
0.06% sleep ffffffff8114e1cd 0xffff8803d228a000 4096
4096 GFP_KERNEL
0.03% perf ffffffff811d6ae6 0xffff8803f7678f00 240
256 GFP_KERNEL|GFP_ZERO
0.00% perf ffffffff812263c1 0xffff880406172380 128
128 GFP_KERNEL
0.00% perf ffffffff812264b9 0xffff8803ffac1600 504
512 GFP_KERNEL
0.00% perf ffffffff81226634 0xffff880401dc5280 28
32 GFP_KERNEL
0.00% sleep ffffffff81226da9 0xffff8803ffac3a00 392
512 GFP_KERNEL
# Samples: 20K of event 'kmem:kfree'
# Event count (approx.): 20597
#
# Overhead call_site ptr
# ........ .................. ..................
#
99.58% ffffffffa01d85ad 0xffff8803ffb79720
0.07% ffffffff81443f5c 0xffff8803f7669400
0.02% ffffffff811d5753 0xffff8803f7678f00
0.01% ffffffff81443f5c 0xffff8803f766be00
0.01% ffffffff8114e359 0xffff8803d228a000
0.01% ffffffff81443f5c 0xffff8800d156dc00
0.01% ffffffff81443f5c 0xffff8803f7669400
0.01% ffffffff8114e359 0xffff8803d228a000
0.01% ffffffff8114e359 0xffff8803d228a000
0.01% ffffffff8114e359 0xffff8803d228a000
Signed-off-by: Namhyung Kim <[email protected]>
---
tools/perf/util/sort.c | 44 +++++++++++++++++++++++++++++++++++---------
1 file changed, 35 insertions(+), 9 deletions(-)
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 58a84a1c889a..ae995f37e135 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1931,6 +1931,35 @@ static int __dynamic_dimension__add(struct perf_evsel
*evsel,
return 0;
}
+static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace)
+{
+ int ret;
+ struct format_field *field;
+
+ field = evsel->tp_format->format.fields;
+ while (field) {
+ ret = __dynamic_dimension__add(evsel, field, raw_trace);
+ if (ret < 0)
+ return ret;
+
+ field = field->next;
+ }
+ return 0;
+}
+
+static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace)
+{
+ int ret;
+ struct perf_evsel *evsel;
+
+ evlist__for_each(evlist, evsel) {
+ ret = add_evsel_fields(evsel, raw_trace);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok)
{
char *str, *event_name, *field_name, *opt_name;
@@ -1960,6 +1989,11 @@ static int add_dynamic_entry(struct perf_evlist *evlist,
const char *tok)
raw_trace = true;
}
+ if (!strcmp(field_name, "trace_fields")) {
+ ret = add_all_dynamic_fields(evlist ,raw_trace);
+ goto out;
+ }
+
evsel = find_evsel(evlist, event_name);
if (evsel == NULL) {
pr_debug("Cannot find event: %s\n", event_name);
@@ -1974,15 +2008,7 @@ static int add_dynamic_entry(struct perf_evlist *evlist,
const char *tok)
}
if (!strcmp(field_name, "*")) {
- field = evsel->tp_format->format.fields;
-
- while (field) {
- ret = __dynamic_dimension__add(evsel, field, raw_trace);
- if (ret < 0)
- goto out;
-
- field = field->next;
- }
+ ret = add_evsel_fields(evsel, raw_trace);
} else {
field = pevent_find_any_field(evsel->tp_format, field_name);
if (field == NULL) {
--
2.6.4
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