From: Ingo Molnar Date: Wed, 13 Apr 2016 18:27:58 +0000 (+0200) Subject: Merge tag 'perf-core-for-mingo-20160413' of git://git.kernel.org/pub/scm/linux/kernel... X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c5ab6ad7f627f031e2bbde575c7e6e27ea36da55;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git Merge tag 'perf-core-for-mingo-20160413' of git://git./linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - Print callchains asked for events requested via 'perf trace --event' too: (Arnaldo Carvalho de Melo) # trace -e nanosleep --call dwarf --event sched:sched_switch/call-graph=fp/ usleep 1 0.346 (0.005 ms): usleep/24428 nanosleep(rqtp: 0x7fffa15a0540) ... 0.346 ( ): sched:sched_switch:usleep:24428 [120] S ==> swapper/3:0 [120]) __schedule+0xfe200402 ([kernel.kallsyms]) schedule+0xfe200035 ([kernel.kallsyms]) do_nanosleep+0xfe20006f ([kernel.kallsyms]) hrtimer_nanosleep+0xfe2000dc ([kernel.kallsyms]) sys_nanosleep+0xfe20007a ([kernel.kallsyms]) do_syscall_64+0xfe200062 ([kernel.kallsyms]) return_from_SYSCALL_64+0xfe200000 ([kernel.kallsyms]) __nanosleep+0xffff005b8d602010 (/usr/lib64/libc-2.22.so) 0.400 (0.059 ms): usleep/24428 ... [continued]: nanosleep()) = 0 __nanosleep+0x10 (/usr/lib64/libc-2.22.so) usleep+0x34 (/usr/lib64/libc-2.22.so) main+0x1eb (/usr/bin/usleep) __libc_start_main+0xf0 (/usr/lib64/libc-2.22.so) _start+0x29 (/usr/bin/usleep) - Allow requesting that some CPUs or PIDs be highlighted in 'perf sched map' (Jiri Olsa) - Compact 'perf sched map' to show just CPUs with activity, improving the output in high core count systems (Jiri Olsa) - Fix segfault with 'perf trace --no-syscalls -e syscall-names' by bailing out such request, doesn't make sense to ask for no syscalls and then specify which ones should be printed (Arnaldo Carvalho de Melo) Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Ingo Molnar --- c5ab6ad7f627f031e2bbde575c7e6e27ea36da55