diff options
| author | Peter Zijlstra <[email protected]> | 2014-02-03 18:02:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-02-09 13:17:22 +0100 |
| commit | e90c78535283dd0ded3bf2e484890d14dba2d527 (patch) | |
| tree | 349fe1e8b7d7dc6ea7c78a0d1403b7ca74c2f387 /tools/perf/scripts/python/Perf-Trace-Util/lib | |
| parent | 6a02ad66b2c44155d529f430d4fa5c6c66321077 (diff) | |
x86/nmi: Push duration printk() to irq context
Calling printk() from NMI context is bad (TM), so move it to IRQ
context.
In doing so we slightly change (probably wreck) the debugfs
nmi_longest_ns thingy, in that it doesn't update to reflect the
longest, nor does writing to it reset the count.
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Don Zickus <[email protected]>
Cc: Dave Hansen <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib')
0 files changed, 0 insertions, 0 deletions