Messages in this thread Patch in this message | | | From | Drew Richardson <> | Subject | [PATCH] ftrace: Provide trace clock monotonic raw | Date | Mon, 4 May 2015 07:41:09 -0700 |
| |
Expose the NMI safe accessor to the monotonic raw clock to the tracer. The mono clock was added with commit 1b3e5c0936046e7e023149ddc8946d21c2ea20eb. Although the monotonic raw clock cannot be used to compare time between different machines, it is not perterbed by ntp.
Signed-off-by: Drew Richardson <drew.richardson@arm.com> --- kernel/trace/trace.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 05330494a0df..458031c31a37 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -876,6 +876,7 @@ static struct { { trace_clock_jiffies, "uptime", 0 }, { trace_clock, "perf", 1 }, { ktime_get_mono_fast_ns, "mono", 1 }, + { ktime_get_raw_fast_ns, "mono_raw", 1 }, ARCH_TRACE_CLOCKS }; -- 2.1.4
| |