kernel_optimize_test/tools
Stanislav Ivanichkin a6293f36ac perf trace: Fix segfault when trying to trace events by cgroup
# ./perf trace -e sched:sched_switch -G test -a sleep 1
  perf: Segmentation fault
  Obtained 11 stack frames.
  ./perf(sighandler_dump_stack+0x43) [0x55cfdc636db3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x3efcf) [0x7fd23eecafcf]
  ./perf(parse_cgroups+0x36) [0x55cfdc673f36]
  ./perf(+0x3186ed) [0x55cfdc70d6ed]
  ./perf(parse_options_subcommand+0x629) [0x55cfdc70e999]
  ./perf(cmd_trace+0x9c2) [0x55cfdc5ad6d2]
  ./perf(+0x1e8ae0) [0x55cfdc5ddae0]
  ./perf(+0x1e8ded) [0x55cfdc5ddded]
  ./perf(main+0x370) [0x55cfdc556f00]
  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe6) [0x7fd23eeadb96]
  ./perf(_start+0x29) [0x55cfdc557389]
  Segmentation fault
  #

 It happens because "struct trace" in option->value is passed to the
 parse_cgroups function instead of "struct evlist".

Fixes: 9ea42ba441 ("perf trace: Support setting cgroups as targets")
Signed-off-by: Stanislav Ivanichkin <sivanichkin@yandex-team.ru>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Dmitry Monakhov <dmtrmonakhov@yandex-team.ru>
Link: http://lore.kernel.org/lkml/20201027094357.94881-1-sivanichkin@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-11-03 08:31:03 -03:00
..
accounting
arch parisc: Add MAP_UNINITIALIZED define 2020-10-15 08:10:39 +02:00
bootconfig Updates for tracing and bootconfig: 2020-10-15 15:51:28 -07:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
build perf tools changes for v5.10: 1st batch 2020-10-17 11:47:46 -07:00
cgroup
debugging
edid
firewire
firmware
gpio
hv
iio
include tools headers UAPI: Update process_madvise affected files 2020-11-03 08:29:30 -03:00
io_uring
kvm/kvm_stat
laptop
leds
lib Fixes for 5.10-rc1 from the networking tree: 2020-10-23 12:05:49 -07:00
memory-model
objtool objtool changes for v5.10: 2020-10-14 10:13:37 -07:00
pci
pcmcia
perf perf trace: Fix segfault when trying to trace events by cgroup 2020-11-03 08:31:03 -03:00
power More power management updates for 5.10-rc1 2020-10-23 16:27:03 -07:00
scripts
spi
testing epoll: add a selftest for epoll timeout race 2020-11-02 12:14:19 -08:00
thermal/tmon
time
usb
virtio
vm
wmi
Makefile