David Ahern c30d630d1b perf sched timehist: Add support for filtering on CPU ... Allow user to limit output to one or more CPUs. Really helpful on systems with a large number of cpus. Committer testing: # perf sched record -a sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 1.765 MB perf.data (1412 samples) ] [root@quaco ~]# perf sched timehist | head Samples do not have callchains. time cpu task name wait time sch delay run time [tid/pid] (msec) (msec) (msec) --------------- ------ ------------------------------ --------- --------- --------- 66307.802686 [0000] perf[13086] 0.000 0.000 0.000 66307.802700 [0000] migration/0[12] 0.000 0.001 0.014 66307.802766 [0001] perf[13086] 0.000 0.000 0.000 66307.802774 [0001] migration/1[15] 0.000 0.001 0.007 66307.802841 [0002] perf[13086] 0.000 0.000 0.000 66307.802849 [0002] migration/2[20] 0.000 0.001 0.008 66307.802913 [0003] perf[13086] 0.000 0.000 0.000 # # perf sched timehist --cpu 2 | head Samples do not have callchains. time cpu task name wait time sch delay run time [tid/pid] (msec) (msec) (msec) --------------- ------ ------------------------------ --------- --------- --------- 66307.802841 [0002] perf[13086] 0.000 0.000 0.000 66307.802849 [0002] migration/2[20] 0.000 0.001 0.008 66307.964485 [0002] <idle> 0.000 0.000 161.635 66307.964811 [0002] CPU 0/KVM[3589/3561] 0.000 0.056 0.325 66307.965477 [0002] <idle> 0.325 0.000 0.666 66307.965553 [0002] CPU 0/KVM[3589/3561] 0.666 0.024 0.076 66307.966456 [0002] <idle> 0.076 0.000 0.903 # Signed-off-by: David Ahern <dsahern@gmail.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/lkml/20191204173925.66976-1-dsahern@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2020-01-06 11:46:09 -03:00
..
accounting
arch	tools arch x86: Sync asm/cpufeatures.h with the kernel sources	2019-12-02 15:20:05 -03:00
bpf	bpftool: Don't crash on missing jited insns or ksyms	2019-12-11 13:57:26 +01:00
build	perf tools: Allow to link with libbpf dynamicaly	2019-11-26 11:17:45 -03:00
cgroup	iocost_monitor: Report debt	2019-09-10 12:31:39 -06:00
debugging
firewire
firmware
gpio	tools: gpio: Correctly add make dependencies for gpio_utils	2019-11-13 13:46:04 +01:00
hv	tools: hv: add vmbus testing tool	2019-11-21 20:10:44 -05:00
iio	tools: iio: Correctly add make dependency for iio_utils	2019-11-10 17:11:06 +00:00
include	tools bitmap: Implement bitmap_equal() operation at bitmap API	2020-01-06 11:46:04 -03:00
io_uring
kvm/kvm_stat
laptop
leds	leds: core: Add support for composing LED class device names	2019-07-25 20:07:52 +02:00
lib	tools bitmap: Implement bitmap_equal() operation at bitmap API	2020-01-06 11:46:04 -03:00
memory-model	tools/memory-model/Documentation: Add plain accesses and data races to explanation.txt	2019-10-05 11:59:44 -07:00
nfsd
objtool	Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-11-26 15:04:47 -08:00
pci	tools: PCI: Fix fd leakage	2019-10-29 12:04:18 +00:00
pcmcia
perf	perf sched timehist: Add support for filtering on CPU	2020-01-06 11:46:09 -03:00
power	platform-drivers-x86 for v5.5-1	2019-12-01 18:24:25 -08:00
scripts	perf build: Do not use -Wshadow on gcc < 4.8	2019-07-23 09:04:54 -03:00
spi
testing	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2019-12-22 09:54:33 -08:00
thermal/tmon
time
usb	usbip: tools: fix fd leakage in the function of read_attr_usbip_status	2019-11-07 11:25:01 +01:00
virtio	tools/virtio: xen stub	2019-10-13 09:38:27 -04:00
vm
wmi
Makefile	tools: Keep list of tools in alphabetical order	2019-08-14 10:59:59 -03:00