lkml.org 
[lkml]   [2018]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/6] perf script: Enhance sample flags for trace begin / end
Date
Allow for different combinations of sample flags with "trace begin" or
"trace end".

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/builtin-script.c | 36 +++++++++++++++++++++++++++---------
1 file changed, 27 insertions(+), 9 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 6176bae177c2..4982380ba96d 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1255,6 +1255,18 @@ static struct {
{0, NULL}
};

+static const char *sample_flags_to_name(u32 flags)
+{
+ int i;
+
+ for (i = 0; sample_flags[i].name ; i++) {
+ if (sample_flags[i].flags == flags)
+ return sample_flags[i].name;
+ }
+
+ return NULL;
+}
+
static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
{
const char *chars = PERF_IP_FLAG_CHARS;
@@ -1264,11 +1276,20 @@ static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
char str[33];
int i, pos = 0;

- for (i = 0; sample_flags[i].name ; i++) {
- if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
- name = sample_flags[i].name;
- break;
- }
+ name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
+ if (name)
+ return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : "");
+
+ if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
+ name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
+ if (name)
+ return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
+ }
+
+ if (flags & PERF_IP_FLAG_TRACE_END) {
+ name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
+ if (name)
+ return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : "");
}

for (i = 0; i < n; i++, flags >>= 1) {
@@ -1281,10 +1302,7 @@ static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
}
str[pos] = 0;

- if (name)
- return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : "");
-
- return fprintf(fp, " %-11s ", str);
+ return fprintf(fp, " %-19s ", str);
}

struct printer_data {
--
2.17.1
\
 
 \ /
  Last update: 2018-09-19 13:26    [W:0.097 / U:9.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site