linux/kernel/events
Peter Zijlstra 6a02ad66b2 perf/x86: Push the duration-logging printk() to IRQ context
Calling printk() from NMI context is bad (TM), so move it to IRQ
context.

This also avoids the problem where the printk() time is measured by
the generic NMI duration goo and triggers a second warning.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-75dv35xf6dhhmeb7nq6fua31@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-02-09 13:17:21 +01:00
..
callchain.c perf: Roll back callchain buffer refcount under the callchain mutex 2013-08-16 17:55:50 +02:00
core.c perf/x86: Push the duration-logging printk() to IRQ context 2014-02-09 13:17:21 +01:00
hw_breakpoint.c hw_breakpoint: Introduce "struct bp_cpuinfo" 2013-06-20 17:58:57 +02:00
internal.h perf: Fix arch_perf_out_copy_user default 2013-11-06 12:34:25 +01:00
Makefile
ring_buffer.c perf: Optimize ring-buffer write by depending on control dependencies 2013-12-11 15:53:22 +01:00
uprobes.c This pull request has a new feature to ftrace, namely the trace event 2014-01-22 16:35:21 -08:00