Messages in this thread | | | Date | Wed, 13 Jul 2016 08:59:06 +0200 | From | Ingo Molnar <> | Subject | Re: [GIT PULL 00/66] perf/core improvements and fixes |
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* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
> Hi Ingo, > > Please consider pulling, several more patches in my queue pending > review, this branch now builds in all of these systems, with Alpine Linux, that > uses different versions of libelf, libc helping in keeping this codebase > portable, soon I'll add containers for the Android SDK and Yocto: > > # perf stat dm > alpine:3.4: Ok > centos:5: Ok > centos:6: Ok > centos:7: Ok > debian:7: Ok > debian:8: Ok > debian:experimental: Ok > fedora:21: Ok > fedora:22: Ok > fedora:23: Ok > fedora:24: Ok > fedora:rawhide: Ok > mageia:5: Ok > opensuse:13.2: Ok > opensuse:42.1: Ok > ubuntu:12.04.5: Ok > ubuntu:14.04.4: Ok > ubuntu:15.10: Ok > ubuntu:16.04: Ok > > Performance counter stats for 'dm': > > 1734.724897 task-clock (msec) # 0.003 CPUs utilized > 70,156 context-switches # 0.040 M/sec > 7,182 cpu-migrations # 0.004 M/sec > 51,490 page-faults # 0.030 M/sec > 5,093,434,618 cycles # 2.936 GHz > 4,839,787,241 instructions # 0.95 insn per cycle > 898,488,442 branches # 517.943 M/sec > 16,155,791 branch-misses # 1.80% of all branches > > 684.926493347 seconds time elapsed > # > > - Arnaldo > > The following changes since commit 44530d588e142a96cf0cd345a7cb8911c4f88720: > > Revert "perf/x86/intel, watchdog: Switch NMI watchdog to ref cycles on x86" (2016-07-10 20:58:36 +0200) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-20160712 > > for you to fetch changes up to 6d248fbda59c51ef5f2e90e11551d9e17aeb226f: > > tools lib traceevent: Add filter on task CPU id (2016-07-12 16:27:39 -0300) > > ---------------------------------------------------------------- > perf/core improvements and fixes: > > User visible: > > - Add demangling of symbols in programs written in the Rust language (David Tolnay) > > - Add support for tracepoints in the python binding, including an example, that > sets up and parses sched:sched_switch events, tools/perf/python/tracepoint.py > (Jiri Olsa) > > - Introduce --stdio-color to setup the color output mode selection in > 'annotate' and 'report', allowing emit color escape sequences when > redirecting the output of these tools (Arnaldo Carvalho de Melo) > > Infrastructure: > > - Various tweaks to allow the 'perf trace' beautifiers to build without using > kernel headers and in a wider range of Linux distributions/releases (Arnaldo Carvalho de Melo) > > - Stop using kernel source files, instead copy what is needed and > check when the original kernel source file gets modified, warning > the developers about it. This helps in building the tool in older > systems and even in recent ones, for just added kernel features > for which ABI details (struct changes, defines, etc) still are not > available on system headers (Arnaldo Carvalho de Melo) > > - Be consistent in how to use strerror_r, adding a wrapper that makes sure that > it returns a pointer to passed buffer, and using the XSI variant, that is > available in more libc implementations (Arnaldo Carvalho de Melo) > > - Avoid checking code drift on busibox's diff perf intel-pt-decoder, as it > doesn't have the '-I' command line switch to check for regexps (Arnaldo Carvalho de Melo) > > - Add missing headers in various places (Arnaldo Carvalho de Melo) > > - Remove unneeded headers from various other places (Arnaldo Carvalho de Melo) > > - Add feature detection for gelf_getnote(), disabling SDT support if not > present (Arnaldo Carvalho de Melo) > > - Fix oddities with gcc 5.3.0 by initializing some variables (Arnaldo Carvalho de Melo) > > - With those changes in place perf now builds on Alpine Linux 3.4, in addition to > on centos (5, 6, 7), debian (7, 8, experimental), fedora (21, 22, 23, 24, rawhide), > mageia 5, opensuse (13.2, 42.1) and ubuntu (12.04.5, 14.04.4, 15.10, 16.04) and > will be test build on those systems prior to future pull requests.
That's really impressive build coverage!
Pulled, thanks a lot Arnaldo!
Ingo
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