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| author | Hridya Valsaraju <hridya@google.com> | 2020-01-30 17:34:46 -0800 |
|---|---|---|
| committer | Hridya Valsaraju <hridya@google.com> | 2020-01-30 17:38:51 -0800 |
| commit | 6a879b25d9cab14e4fd2880f711ab26c6aa99e1c (patch) | |
| tree | b9af86c5098c8d3491ba5444f571e5c9fd568f45 /libcutils/trace-dev.cpp | |
| parent | b2066fda6dba2be06992e046f3219dc89a9a64c3 (diff) | |
Check /sys/kernel/tracing for tracefs
When debugfs is not mounted, atrace should look for
tracefs in /sys/kernel/tracing.
Test: CtsAtraceHostTestCases
Bug: 148436518
Change-Id: I45c0e664892bcda277fd9612106ad5216aea0a1b
Diffstat (limited to 'libcutils/trace-dev.cpp')
| -rw-r--r-- | libcutils/trace-dev.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcutils/trace-dev.cpp b/libcutils/trace-dev.cpp index 2ee39d328..9ca172973 100644 --- a/libcutils/trace-dev.cpp +++ b/libcutils/trace-dev.cpp @@ -32,6 +32,10 @@ static void atrace_init_once() { atrace_marker_fd = open("/sys/kernel/debug/tracing/trace_marker", O_WRONLY | O_CLOEXEC); if (atrace_marker_fd == -1) { + atrace_marker_fd = open("/sys/kernel/tracing/trace_marker", O_WRONLY | O_CLOEXEC); + } + + if (atrace_marker_fd == -1) { ALOGE("Error opening trace file: %s (%d)", strerror(errno), errno); atrace_enabled_tags = 0; } else { |