aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <[email protected]>2016-05-09 18:08:33 -0300
committerArnaldo Carvalho de Melo <[email protected]>2016-05-09 18:11:27 -0300
commit0a241ef4a27a00807fefdf913da104a4534c606a (patch)
tree1b22c53682fa4bffeaf75fc822382ff9dbe08f83
parentee74701ed8add8ad13e642e8618b51fd75add32d (diff)
perf evsel: Print state of perf_event_attr.write_backward
Now we can see if it is set when using verbose mode in various tools, such as 'perf test': # perf test -vv back 45: Test backward reading from ring buffer : --- start --- <SNIP> ------------------------------------------------------------ perf_event_attr: type 2 size 112 config 0x98 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|PERIOD|RAW disabled 1 mmap 1 comm 1 task 1 sample_id_all 1 exclude_guest 1 mmap2 1 comm_exec 1 write_backward 1 ------------------------------------------------------------ sys_perf_event_open: pid 20911 cpu -1 group_fd -1 flags 0x8 <SNIP> ---- end ---- Test backward reading from ring buffer: Ok # Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Milian Wolff <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/perf/util/evsel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 3371721a05f2..a23f54793e51 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1316,6 +1316,7 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
PRINT_ATTRf(comm_exec, p_unsigned);
PRINT_ATTRf(use_clockid, p_unsigned);
PRINT_ATTRf(context_switch, p_unsigned);
+ PRINT_ATTRf(write_backward, p_unsigned);
PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned);
PRINT_ATTRf(bp_type, p_unsigned);