Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d820456d authored by Ravi Bangoria's avatar Ravi Bangoria Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Acked-by: default avatarMasami 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 840b49ba

tools/perf/util/probe-event.c

+18 −11
Original line number Diff line number Diff line
@@ -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)