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authorRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>2016-08-09 01:23:24 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-08-09 12:09:59 -0300
commitd820456dc70b231d62171ba46b43db0045e9bd57 (patch)
treea9de4809c4932c1ec6a2621c6118c20bf67faf74 /tools
parent840b49ba554b40fa8301ad2716abd2fe3d9e382a (diff)
downloadlinux-stericsson-d820456dc70b231d62171ba46b43db0045e9bd57.tar.gz
perf probe: Add function to post process kernel trace events
Instead of inline code, introduce function to post process kernel probe trace events. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1470723805-5081-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/probe-event.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 1201f73ca723..234fbfb5c2ed 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -666,22 +666,14 @@ static int add_module_to_probe_trace_events(struct probe_trace_event *tevs,
return ret;
}
-/* Post processing the probe events */
-static int post_process_probe_trace_events(struct probe_trace_event *tevs,
- int ntevs, const char *module,
- bool uprobe)
+static int
+post_process_kernel_probe_trace_events(struct probe_trace_event *tevs,
+ int ntevs)
{
struct ref_reloc_sym *reloc_sym;
char *tmp;
int i, skipped = 0;
- if (uprobe)
- return add_exec_to_probe_trace_events(tevs, ntevs, module);
-
- /* Note that currently ref_reloc_sym based probe is not for drivers */
- if (module)
- return add_module_to_probe_trace_events(tevs, ntevs, module);
-
reloc_sym = kernel_get_ref_reloc_sym();
if (!reloc_sym) {
pr_warning("Relocated base symbol is not found!\n");
@@ -713,6 +705,21 @@ static int post_process_probe_trace_events(struct probe_trace_event *tevs,
return skipped;
}
+/* Post processing the probe events */
+static int post_process_probe_trace_events(struct probe_trace_event *tevs,
+ int ntevs, const char *module,
+ bool uprobe)
+{
+ if (uprobe)
+ return add_exec_to_probe_trace_events(tevs, ntevs, module);
+
+ if (module)
+ /* Currently ref_reloc_sym based probe is not for drivers */
+ return add_module_to_probe_trace_events(tevs, ntevs, module);
+
+ return post_process_kernel_probe_trace_events(tevs, ntevs);
+}
+
/* Try to find perf_probe_event with debuginfo */
static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
struct probe_trace_event **tevs)