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linux-stable/tools
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Arnaldo Carvalho de Melo e9c08f7229 perf test sigtrap: Print errno string when failing 
Helps a bit the user figuring out why it is failing:

Before:

  $ perf test sigtrap
  73: Sigtrap                                                         : FAILED!
  $ perf test -v sigtrap
  73: Sigtrap                                                         :
  --- start ---
  test child forked, pid 3816772
  FAILED sys_perf_event_open()
  test child finished with -1
  ---- end ----
  Sigtrap: FAILED!
  $

After:

  $ perf test sigtrap
  73: Sigtrap                                                         : FAILED!
  $ perf test -v sigtrap
  73: Sigtrap                                                         :
  --- start ---
  test child forked, pid 3816772
  FAILED sys_perf_event_open(): Permission denied
  test child finished with -1
  ---- end ----
  Sigtrap: FAILED!
  $

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Fabian Hemmer <copy@copy.sh>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kasan-dev@googlegroups.com
Link: http://lore.kernel.org/lkml/YZOpSVOCXe0zWeRs@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-12-07 22:18:23 -03:00
..
accounting
arch tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources 2021-11-18 10:08:07 -03:00
bootconfig bootconfig: Cleanup dummy headers in tools/bootconfig 2021-10-10 22:16:02 -04:00
bpf tools/runqslower: Fix cross-build 2021-11-12 17:23:16 -08:00
build tools build: Remove needless libpython-version feature check that breaks test-all fast path 2021-12-06 21:57:53 -03:00
cgroup
counter tools/counter: Create Counter tools 2021-10-17 10:54:16 +01:00
debugging
edid
firewire
firmware
gpio
hv
iio
include tools: Fix math.h breakage 2021-11-30 09:14:42 -08:00
io_uring
kvm/kvm_stat KVM: kvm_stat: do not show halt_wait_ns 2021-10-18 14:07:18 -04:00
laptop
leds
lib Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2021-11-16 16:53:48 -08:00
memory-model
objtool objtool: Fix pv_ops noinstr validation 2021-12-03 09:11:42 +01:00
pci
pcmcia
perf perf test sigtrap: Print errno string when failing 2021-12-07 22:18:23 -03:00
power
rcu tools/rcu: Add an extract-stall script 2021-09-16 10:31:26 -07:00
scripts tools, build: Add RISC-V to HOSTARCH parsing 2021-11-01 17:08:21 +01:00
spi
testing Networking fixes for 5.16-rc4, including fixes from wireless, 2021-12-02 11:22:06 -08:00
thermal/tmon tools/thermal/tmon: Add cross compiling support 2021-08-14 15:33:19 +02:00
time
tracing tools/latency-collector: Use correct size when writing queue_full_warning 2021-10-25 22:27:19 -04:00
usb usb: testusb: Fix for showing the connection speed 2021-09-14 10:31:41 +02:00
virtio
vm tools/vm/page-types.c: print file offset in hexadecimal 2021-11-06 13:30:40 -07:00
wmi
Makefile tools/lib/lockdep: drop liblockdep 2021-11-12 11:07:17 -08:00