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authorJiri Olsa <jolsa@redhat.com>2012-10-10 17:38:13 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-08-07 17:35:20 -0300
commit9ede473cc9f655f8a10cfc8ebbf04c48d84db7ee (patch)
tree7a05d71c33eaab621009296d5964534c6c31088c /tools/perf/util/event.h
parentperf evlist: Use PERF_EVENT_IOC_ID perf ioctl to read event id (diff)
downloadwireguard-linux-9ede473cc9f655f8a10cfc8ebbf04c48d84db7ee.tar.xz
wireguard-linux-9ede473cc9f655f8a10cfc8ebbf04c48d84db7ee.zip
perf tools: Add support for parsing PERF_SAMPLE_READ sample type
Adding support to parse out the PERF_SAMPLE_READ sample bits. The code contains both single and group format specification. This code parse out and prepare PERF_SAMPLE_READ data into the perf_sample struct. It will be used for group leader sampling feature comming in shortly. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-0tgdoln5rwk3wocshb442cl3@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/event.h')
-rw-r--r--tools/perf/util/event.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 1ebb8fb0178c..6119a649d861 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -80,6 +80,23 @@ struct stack_dump {
char *data;
};
+struct sample_read_value {
+ u64 value;
+ u64 id;
+};
+
+struct sample_read {
+ u64 time_enabled;
+ u64 time_running;
+ union {
+ struct {
+ u64 nr;
+ struct sample_read_value *values;
+ } group;
+ struct sample_read_value one;
+ };
+};
+
struct perf_sample {
u64 ip;
u32 pid, tid;
@@ -97,6 +114,7 @@ struct perf_sample {
struct branch_stack *branch_stack;
struct regs_dump user_regs;
struct stack_dump user_stack;
+ struct sample_read read;
};
#define PERF_MEM_DATA_SRC_NONE \