diff options
| author | Yabin Cui <yabinc@google.com> | 2020-10-14 10:24:38 -0700 |
|---|---|---|
| committer | Yabin Cui <yabinc@google.com> | 2020-10-16 10:34:51 -0700 |
| commit | 142acc899fc03502b7751704dab25558bcccc6a8 (patch) | |
| tree | 5725a32a76d0ece247fbf0cfd0e659e420e00263 /simpleperf/cmd_record_test.cpp | |
| parent | 3babe8947d5c07e68ecaeb1a0d2da62cd0181d4a (diff) | |
| download | extras-142acc899fc03502b7751704dab25558bcccc6a8.tar.gz | |
simpleperf: add --kprobe option to record cmd.
It adds temporary kprobe events during recording. The format of
kprobe events follows Documentation/trace/kprobetrace.rst in the kernel.
Also fix an error in event_type.cpp.
Bug: 160630060
Test: run simpleperf_unit_test.
Change-Id: Ib0c46a76e8d5900fd5df2f978763743a230b075d
Diffstat (limited to 'simpleperf/cmd_record_test.cpp')
| -rw-r--r-- | simpleperf/cmd_record_test.cpp | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/simpleperf/cmd_record_test.cpp b/simpleperf/cmd_record_test.cpp index 510d5be2..75a33ea5 100644 --- a/simpleperf/cmd_record_test.cpp +++ b/simpleperf/cmd_record_test.cpp @@ -40,6 +40,7 @@ #include "ETMRecorder.h" #include "event_selection_set.h" #include "get_test_data.h" +#include "ProbeEvents.h" #include "record.h" #include "record_file.h" #include "test_util.h" @@ -290,8 +291,7 @@ static bool InCloudAndroid() { bool HasTracepointEvents() { static int has_tracepoint_events = -1; if (has_tracepoint_events == -1) { - // Cloud Android doesn't support tracepoint events. - has_tracepoint_events = InCloudAndroid() ? 0 : 1; + has_tracepoint_events = (GetTraceFsDir() != nullptr) ? 1 : 0; } return has_tracepoint_events == 1; } @@ -507,10 +507,7 @@ TEST(record_cmd, no_dump_symbols) { } TEST(record_cmd, dump_kernel_symbols) { - if (!IsRoot()) { - GTEST_LOG_(INFO) << "Test requires root privilege"; - return; - } + TEST_REQUIRE_ROOT(); TemporaryFile tmpfile; ASSERT_TRUE(RecordCmd()->Run({"-a", "-o", tmpfile.path, "-e", GetDefaultEvent(), "sleep", "1"})); bool has_kernel_symbols = false; @@ -1131,3 +1128,13 @@ TEST(record_cmd, ParseAddrFilterOption) { ASSERT_EQ(option_to_str("filter 0x12345678-0x1234567a"), "filter 0x12345678/0x2"); ASSERT_EQ(option_to_str("start 0x12345678,stop 0x1234567a"), "start 0x12345678,stop 0x1234567a"); } + +TEST(record_cmd, kprobe_option) { + TEST_REQUIRE_ROOT(); + ProbeEvents probe_events; + if (!probe_events.IsKprobeSupported()) { + GTEST_LOG_(INFO) << "Skip this test as kprobe isn't supported by the kernel."; + return; + } + ASSERT_TRUE(RunRecordCmd({"-e", "kprobes:myprobe", "--kprobe", "p:myprobe do_sys_open"})); +} |