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Jiri Olsa 84ea603650 perf tools: Fix event's PMU name parsing 
Jin Yao reported parser error for software event:

  # perf stat -e software/r1a/ -a -- sleep 1
  event syntax error: 'software/r1a/'
                       \___ parser error

This happens after commit 8c3b1ba0e7 ("drm/i915/gt: Track the
overall awake/busy time"), where new software-gt-awake-time event's
non-pmu-event-style makes event parser conflict with software PMU.

If we allow PE_PMU_EVENT_PRE to be parsed as PMU name, we fix the
conflict and the following character '/' for PMU or '-' for
non-pmu-event-style event allows parser to decide what even is
specified.

Fixes: 8c3b1ba0e7 ("drm/i915/gt: Track the overall awake/busy time")
Reported-by: Jin Yao <yao.jin@linux.intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210301122315.63471-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-03-06 16:54:27 -03:00
..
accounting
arch tools headers UAPI s390: Sync ptrace.h kernel headers 2021-03-06 16:54:23 -03:00
bootconfig tools/bootconfig: Add tracing_on support to helper scripts 2021-01-14 10:32:20 -05:00
bpf New features: 2021-02-22 13:59:43 -08:00
build perf build: Move feature cleanup under tools/build 2021-03-06 16:54:24 -03:00
cgroup blk-iocost: update iocost_monitor.py 2020-09-01 19:38:33 -06:00
debugging docs: Update documentation to reflect what TAINT_CPU_OUT_OF_SPEC means 2020-12-08 10:53:58 -07:00
edid
firewire
firmware
gpio tools: gpio: remove uAPI v1 code no longer used by selftests 2021-02-15 11:43:28 +01:00
hv
iio
include tools headers UAPI: Sync kvm.h headers with the kernel sources 2021-03-06 16:54:23 -03:00
io_uring tools/io_uring: fix compile breakage 2020-09-21 07:50:58 -06:00
kvm/kvm_stat tools/kvm_stat: Exempt time-based counters 2020-12-11 19:18:51 -05:00
laptop
leds
lib New features: 2021-02-22 13:59:43 -08:00
memory-model tools/memory-model: Fix typo in klitmus7 compatibility table 2021-01-04 14:40:50 -08:00
objtool Rework of the X86 irq stack handling: 2021-02-24 16:32:23 -08:00
pci
pcmcia
perf perf tools: Fix event's PMU name parsing 2021-03-06 16:54:27 -03:00
power platform-drivers-x86 for v5.12-1 2021-02-22 08:50:01 -08:00
scripts New features: 2021-02-22 13:59:43 -08:00
spi
testing * Doc fixes 2021-03-04 11:26:17 -08:00
thermal/tmon
time
tracing tracing/tools: fix a couple of spelling mistakes 2021-02-25 12:54:16 -05:00
usb
virtio tools/virtio: add barrier for aarch64 2020-12-18 16:14:30 -05:00
vm mm: Add PG_arch_2 page flag 2020-09-04 12:46:06 +01:00
wmi
Makefile tracing/tools: Add the latency-collector to tools directory 2021-02-12 11:52:59 -05:00