Add new upstream files to src - pkg-cscope.git

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author	Tobias Klauser <tklauser@distanz.ch>	2009-10-21 13:55:07 +0200
committer	Tobias Klauser <tklauser@distanz.ch>	2009-10-21 13:55:07 +0200
commit	11666ecee4ef81bf4985772bc547697d84b8e0b3 (patch)
tree	e4f497e16718cc49cae325b16e0d49a994b9042e /src/dir.c
parent	6cf3b9fbf405cc94b150ec7ae7f12b4be23e7cdb (diff)

Add new upstream files to src

Diffstat (limited to 'src/dir.c')

0 files changed, 0 insertions, 0 deletions

rge tag 'perf-core-for-mingo-20160427' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - perf trace --pf maj/min/all works with --call-graph: (Arnaldo Carvalho de Melo) Tracing write syscalls and major page faults with callchains while starting firefox, limiting the stack to 5 frames: # perf trace -e write --pf maj --max-stack 5 firefox 589.549 ( 0.014 ms): firefox/15377 write(fd: 4, buf: 0x7fff80acc898, count: 151) = 151 [0xfaed] (/usr/lib64/libpthread-2.22.so) fire_glxtest_process+0x5c (/usr/lib64/firefox/libxul.so) InstallGdkErrorHandler+0x41 (/usr/lib64/firefox/libxul.so) XREMain::XRE_mainInit+0x12c (/usr/lib64/firefox/libxul.so) XREMain::XRE_main+0x1e4 (/usr/lib64/firefox/libxul.so) 760.704 ( 0.000 ms): firefox/15332 majfault [gtk_tree_view_accessible_get_type+0x0] => /usr/lib64/libgtk-3.so.0.1800.9@0xa0850 (x.) gtk_tree_view_accessible_get_type+0x0 (/usr/lib64/libgtk-3.so.0.1800.9) gtk_tree_view_class_intern_init+0x1a54 (/usr/lib64/libgtk-3.so.0.1800.9) g_type_class_ref+0x6dd (/usr/lib64/libgobject-2.0.so.0.4600.2) [0x115378] (/usr/lib64/libgnutls.so.30.6.3) This automagically selects "--call-graph dwarf", use "--call-graph fp" on systems where -fno-omit-frame-pointer was used to built the components of interest, to incur in less overhead, or tune "--call-graph dwarf" appropriately, see 'perf record --help'. - Allow /proc/sys/kernel/perf_event_max_stack, that defaults to the old hard coded value of PERF_MAX_STACK_DEPTH (127), useful for huge callstacks for things like Groovy, Ruby, etc, and also to reduce overhead by limiting it to a smaller value, upcoming work will allow this to be done per-event (Arnaldo Carvalho de Melo) - Make 'perf trace --min-stack' be honoured by --pf and --event (Arnaldo Carvalho de Melo) - Make 'perf evlist -v' decode perf_event_attr->branch_sample_type (Arnaldo Carvalho de Melo) # perf record --call lbr usleep 1 # perf evlist -v cycles:ppp: ... sample_type: IP|TID|TIME|CALLCHAIN|PERIOD|BRANCH_STACK, ... branch_sample_type: USER|CALL_STACK|NO_FLAGS|NO_CYCLES # - Clear dummy entry accumulated period, fixing such 'perf top/report' output as: (Kan Liang) 4769.98% 0.01% 0.00% 0.01% tchain_edit [kernel] [k] update_fast_timekeeper - System calls with pid_t arguments gets them augmented with the COMM event more thoroughly: # trace -e perf_event_open perf stat -e cycles -p 15608 6.876 ( 0.014 ms): perf_event_open(attr_uptr: 0x2ae20d8, pid: 15608 (hexchat), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 3 6.882 ( 0.005 ms): perf_event_open(attr_uptr: 0x2ae20d8, pid: 15639 (gmain), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 4 6.889 ( 0.005 ms): perf_event_open(attr_uptr: 0x2ae20d8, pid: 15640 (gdbus), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 5 ^^^^^^^^^^^^^^^^^^ ^C - Fix offline module name mismatch issue in 'perf probe' (Ravi Bangoria) - Fix module probe issue if no dwarf support in (Ravi Bangoria) Assorted fixes: - Fix off-by-one in write_buildid() (Andrey Ryabinin) - Fix segfault when printing callchains in 'perf script' (Chris Phlipot) - Replace assignment with comparison on assert check in 'perf test' entry (Colin Ian King) - Fix off-by-one comparison in intel-pt code (Colin Ian King) - Close target file on error path in 'perf probe' (Masami Hiramatsu) - Set default kprobe group name if not given in 'perf probe' (Masami Hiramatsu) - Avoid partial perf_event_header reads (Wang Nan) Infrastructure changes: - Update x86's syscall_64.tbl copy, adding preadv2 & pwritev2 (Arnaldo Carvalho de Melo) - Make the x86 clean quiet wrt syscall table removal (Jiri Olsa) Cleanups: - Simplify wrapper for LOCK_PI in 'perf bench futex' (Davidlohr Bueso) - Remove duplicate const qualifier (Eric Engestrom) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>

Diffstat (limited to 'Documentation')


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