linux-kernel - [PATCH v4 03/15] perf tools script: Filter COMM/FORK/.. events by CPU

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Message-Id: <20190305144758.12397-4-andi@firstfloor.org>
Date:   Tue,  5 Mar 2019 06:47:46 -0800
From:   Andi Kleen <andi@...stfloor.org>
To:     acme@...nel.org
Cc:     jolsa@...nel.org, namhyung@...nel.org,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH v4 03/15] perf tools script: Filter COMM/FORK/.. events by CPU

From: Andi Kleen <ak@...ux.intel.com>

The --cpu option only filtered samples. Filter other perf events,
such as COMM, FORK, SWITCH by the CPU too.

Reported-by: Jiri Olsa <jolsa@...nel.org>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/perf/builtin-script.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index fbc440bdf880..3813f60d1dc0 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2038,6 +2038,9 @@ static int process_comm_event(struct perf_tool *tool,
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 	int ret = -1;
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
 	if (thread == NULL) {
 		pr_debug("problem processing COMM event, skipping it.\n");
@@ -2073,6 +2076,9 @@ static int process_namespaces_event(struct perf_tool *tool,
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 	int ret = -1;
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	thread = machine__findnew_thread(machine, event->namespaces.pid,
 					 event->namespaces.tid);
 	if (thread == NULL) {
@@ -2108,6 +2114,9 @@ static int process_fork_event(struct perf_tool *tool,
 	struct perf_session *session = script->session;
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
 		return -1;
 
@@ -2141,6 +2150,9 @@ static int process_exit_event(struct perf_tool *tool,
 	struct perf_session *session = script->session;
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
 	if (thread == NULL) {
 		pr_debug("problem processing EXIT event, skipping it.\n");
@@ -2174,6 +2186,9 @@ static int process_mmap_event(struct perf_tool *tool,
 	struct perf_session *session = script->session;
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
 		return -1;
 
@@ -2206,6 +2221,9 @@ static int process_mmap2_event(struct perf_tool *tool,
 	struct perf_session *session = script->session;
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
 		return -1;
 
@@ -2238,6 +2256,9 @@ static int process_switch_event(struct perf_tool *tool,
 	struct perf_session *session = script->session;
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
 		return -1;
 
@@ -2266,6 +2287,9 @@ process_lost_event(struct perf_tool *tool,
 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 	struct thread *thread;
 
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		return 0;
+
 	thread = machine__findnew_thread(machine, sample->pid,
 					 sample->tid);
 	if (thread == NULL)
-- 
2.20.1