Michael Ellerman c2e37a2626 powerpc/perf: Add lost exception workaround ...

Some power8 revisions have a hardware bug where we can lose a PMU
exception, this commit adds a workaround to detect the bad condition and
rectify the situation.

See the comment in the commit for a full description.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2014-03-24 09:48:25 +11:00

..

bhrb.S

powerpc/perf: Add basic assembly code to read BHRB entries on POWER8

2013-04-26 16:11:11 +10:00

callchain.c

powerpc/perf: Use perf_instruction_pointer in callchains

2012-07-10 19:18:46 +10:00

core-book3s.c

powerpc/perf: Add lost exception workaround

2014-03-24 09:48:25 +11:00

core-fsl-emb.c

powerpc/perf: add 2 additional performance monitor counters for e6500 core

2013-08-07 18:38:03 -05:00

e500-pmu.c

powerpc/perf: Add stalled-cycles events

2013-01-10 17:00:56 +11:00

e6500-pmu.c

powerpc/perf: Add e6500 PMU driver

2013-08-07 18:38:04 -05:00

Makefile

powerpc/perf: Add e6500 PMU driver

2013-08-07 18:38:04 -05:00

mpc7450-pmu.c

…

power4-pmu.c

powerpc/perf: Fix instruction address sampling on 970 and Power4

2012-03-28 11:33:24 +11:00

power5-pmu.c

powerpc/perf: Add an explict flag indicating presence of SLOT field

2013-04-26 16:11:07 +10:00

power5+-pmu.c

powerpc/perf: Add an explict flag indicating presence of SLOT field

2013-04-26 16:11:07 +10:00

power6-pmu.c

…

power7-events-list.h

powerpc/perf: Make some new raw event codes available in sysfs

2014-03-24 09:48:23 +11:00

power7-pmu.c

perf tools: Make Power7 events available for perf

2013-07-12 13:46:09 -03:00

power8-pmu.c

powerpc/perf: Add lost exception workaround

2014-03-24 09:48:25 +11:00

ppc970-pmu.c

powerpc/perf: Fix instruction address sampling on 970 and Power4

2012-03-28 11:33:24 +11:00