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f6027053f8
To avoid formatting failures for example in CSV output due to debug messages, add --output option to put the result in a file. Unfortunately the short -o option was taken by the --owner already. $ sudo ./perf lock con -ab --output lock-out.txt -v sleep 1 Looking at the vmlinux_path (8 entries long) symsrc__init: cannot get elf header. Using /proc/kcore for kernel data Using /proc/kallsyms for symbols $ head lock-out.txt contended total wait max wait avg wait type caller 3 76.79 us 26.89 us 25.60 us rwlock:R ep_poll_callback+0x2d 0xffffffff9a23f4b5 _raw_read_lock_irqsave+0x45 0xffffffff99bbd4dd ep_poll_callback+0x2d 0xffffffff999029f3 __wake_up_common+0x73 0xffffffff99902b82 __wake_up_common_lock+0x82 0xffffffff99fa5b1c sock_def_readable+0x3c 0xffffffff9a11521d unix_stream_sendmsg+0x18d 0xffffffff99f9fc9c sock_sendmsg+0x5c Suggested-by: Ian Rogers <irogers@google.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Hao Luo <haoluo@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20230628200141.2739587-4-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> |
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.. | ||
accounting | ||
arch | ||
bootconfig | ||
bpf | ||
build | ||
certs | ||
cgroup | ||
counter | ||
debugging | ||
edid | ||
firewire | ||
firmware | ||
gpio | ||
hv | ||
iio | ||
include | ||
io_uring | ||
kvm/kvm_stat | ||
laptop | ||
leds | ||
lib | ||
memory-model | ||
mm | ||
net/ynl | ||
objtool | ||
pci | ||
pcmcia | ||
perf | ||
power | ||
rcu | ||
scripts | ||
spi | ||
testing | ||
thermal | ||
time | ||
tracing | ||
usb | ||
verification | ||
virtio | ||
wmi | ||
Makefile |