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Date: Mon, 18 May 2015 09:30:26 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Jiri Olsa <jolsa@...hat.com>,
LKML <linux-kernel@...r.kernel.org>,
David Ahern <dsahern@...il.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Andi Kleen <andi@...stfloor.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 11/40] perf tools: Add a test case for thread comm handling
The new test case checks various thread comm handling like overridding
and time sorting.
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
tools/perf/tests/Build | 1 +
tools/perf/tests/builtin-test.c | 4 ++++
tools/perf/tests/perf-targz-src-pkg | 21 -----------------
tools/perf/tests/tests.h | 1 +
tools/perf/tests/thread-comm.c | 47 +++++++++++++++++++++++++++++++++++++
5 files changed, 53 insertions(+), 21 deletions(-)
delete mode 100755 tools/perf/tests/perf-targz-src-pkg
create mode 100644 tools/perf/tests/thread-comm.c
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index 6a8801b32017..78d29a3a6a97 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -24,6 +24,7 @@ perf-y += bp_signal_overflow.o
perf-y += task-exit.o
perf-y += sw-clock.o
perf-y += mmap-thread-lookup.o
+perf-y += thread-comm.o
perf-y += thread-mg-share.o
perf-y += switch-tracking.o
perf-y += keep-tracking.o
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index f42af98a5c16..372b6395a448 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -171,6 +171,10 @@ static struct test {
.func = test__kmod_path__parse,
},
{
+ .desc = "Test thread comm handling",
+ .func = test__thread_comm,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/tests/perf-targz-src-pkg b/tools/perf/tests/perf-targz-src-pkg
deleted file mode 100755
index 238aa3927c71..000000000000
--- a/tools/perf/tests/perf-targz-src-pkg
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/sh
-# Test one of the main kernel Makefile targets to generate a perf sources tarball
-# suitable for build outside the full kernel sources.
-#
-# This is to test that the tools/perf/MANIFEST file lists all the files needed to
-# be in such tarball, which sometimes gets broken when we move files around,
-# like when we made some files that were in tools/perf/ available to other tools/
-# codebases by moving it to tools/include/, etc.
-
-PERF=$1
-cd ${PERF}/../..
-make perf-targz-src-pkg > /dev/null
-TARBALL=$(ls -rt perf-*.tar.gz)
-TMP_DEST=$(mktemp -d)
-tar xf ${TARBALL} -C $TMP_DEST
-rm -f ${TARBALL}
-cd - > /dev/null
-make -C $TMP_DEST/perf*/tools/perf > /dev/null 2>&1
-RC=$?
-rm -rf ${TMP_DEST}
-exit $RC
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index a10eaf5c4767..aa269eff798a 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -61,6 +61,7 @@ int test__switch_tracking(void);
int test__fdarray__filter(void);
int test__fdarray__add(void);
int test__kmod_path__parse(void);
+int test__thread_comm(void);
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
diff --git a/tools/perf/tests/thread-comm.c b/tools/perf/tests/thread-comm.c
new file mode 100644
index 000000000000..d146dedf63b4
--- /dev/null
+++ b/tools/perf/tests/thread-comm.c
@@ -0,0 +1,47 @@
+#include "tests.h"
+#include "machine.h"
+#include "thread.h"
+#include "debug.h"
+
+int test__thread_comm(void)
+{
+ struct machines machines;
+ struct machine *machine;
+ struct thread *t;
+
+ /*
+ * This test is to check whether it can retrieve a correct
+ * comm for a given time. When multi-file data storage is
+ * enabled, those task/comm events are processed first so the
+ * later sample should find a matching comm properly.
+ */
+ machines__init(&machines);
+ machine = &machines.host;
+
+ t = machine__findnew_thread(machine, 100, 100);
+ TEST_ASSERT_VAL("wrong init thread comm",
+ !strcmp(thread__comm_str(t), ":100"));
+
+ thread__set_comm(t, "perf-test1", 10000);
+ TEST_ASSERT_VAL("failed to override thread comm",
+ !strcmp(thread__comm_str(t), "perf-test1"));
+
+ thread__set_comm(t, "perf-test2", 20000);
+ thread__set_comm(t, "perf-test3", 30000);
+ thread__set_comm(t, "perf-test4", 40000);
+
+ TEST_ASSERT_VAL("failed to find timed comm",
+ !strcmp(thread__comm_str_by_time(t, 20000), "perf-test2"));
+ TEST_ASSERT_VAL("failed to find timed comm",
+ !strcmp(thread__comm_str_by_time(t, 35000), "perf-test3"));
+ TEST_ASSERT_VAL("failed to find timed comm",
+ !strcmp(thread__comm_str_by_time(t, 50000), "perf-test4"));
+
+ thread__set_comm(t, "perf-test1.5", 15000);
+ TEST_ASSERT_VAL("failed to sort timed comm",
+ !strcmp(thread__comm_str_by_time(t, 15000), "perf-test1.5"));
+
+ machine__delete_threads(machine);
+ machines__exit(&machines);
+ return 0;
+}
--
2.4.0
--
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