Commit 4f7cf3a9 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge tag 'perf-core-for-mingo' of... 

Merge tag 'perf-core-for-mingo' 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:

  o Add +field argument support for --sort option (Jiri Olsa)

  o Do not access kallsyms when analyzing user binaries with 'probe' (Masami Hiramatsu)

  o Ignore stripped vmlinux and fallback to kallsyms (Anton Blanchard)

  o Add path to Ubuntu kernel debuginfo file (Anton Blanchard)

  o Disable kernel symbol demangling by default (Avi Kivity)

Infrastructure changes:

  o More intel PT prep work, from Adrian Hunter, including:

    - Let a user specify a PMU event without any config terms
    - Add perf-with-kcore script
    - Let default config be defined for a PMU
    - Add perf_pmu__scan_file()

  o "perf kvm stat report" improvements by Alexander Yarygin:
    o  Save pid string in opts.target.pid
    o  Enable the target.system_wide flag
    o  Unify the title bar output

  o Fix build issue on powerpc when DWARF support is disabled (Anton Blanchard)

  o Allow to specify lib compile variable for spec usage (Jiri Olsa)

  o Fix build on ARM (Stephane Eranian)

  o Fix build on powerpc when DWARF support is disabled (Anton Blanchard)

  o Don't include sys/poll.h directly (Arnaldo Carvalho de Melo)

  o Use ring buffer consume method to look like other tools (Arnaldo Carvalho de Melo)

  o Allow to specify lib compile variable for spec usage (Jiri Olsa)

  o Fix GNU-only grep usage in Makefile (John Spencer)

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parents c88f2096 e5685730

tools/perf/.gitignore

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ perf.data 
perf.data.old

output.svg

perf-archive

perf-with-kcore

tags

TAGS

cscope*

tools/perf/Documentation/perf-probe.txt

+3 −0
Original line number Diff line number Diff line
@@ -104,6 +104,9 @@ OPTIONS 
	Specify path to the executable or shared library file for user

	space tracing. Can also be used with --funcs option.



--demangle-kernel::

	Demangle kernel symbols.



In absence of -m/-x options, perf probe checks if the first argument after

the options is an absolute path name. If its an absolute path, perf probe

uses it as a target module/target user space binary to probe.

tools/perf/Documentation/perf-report.txt

+3 −0
Original line number Diff line number Diff line
@@ -276,6 +276,9 @@ OPTIONS 
	Demangle symbol names to human readable form. It's enabled by default,

	disable with --no-demangle.



--demangle-kernel::

	Demangle kernel symbol names to human readable form (for C++ kernels).



--mem-mode::

	Use the data addresses of samples in addition to instruction addresses

	to build the histograms.  To generate meaningful output, the perf.data

tools/perf/Documentation/perf-top.txt

+3 −0
Original line number Diff line number Diff line
@@ -98,6 +98,9 @@ Default is to monitor all CPUS. 
--hide_user_symbols::

        Hide user symbols.



--demangle-kernel::

        Demangle kernel symbols.



-D::

--dump-symtab::

        Dump the symbol table used for profiling.

tools/perf/Makefile.perf

+4 −1
Original line number Diff line number Diff line
@@ -126,6 +126,7 @@ PYRF_OBJS = 
SCRIPT_SH =



SCRIPT_SH += perf-archive.sh

SCRIPT_SH += perf-with-kcore.sh



grep-libs = $(filter -l%,$(1))

strip-libs = $(filter-out -l%,$(1))
@@ -878,6 +879,8 @@ install-bin: all install-gtk 
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'

	$(call QUIET_INSTALL, perf-archive) \

		$(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'

	$(call QUIET_INSTALL, perf-with-kcore) \

		$(INSTALL) $(OUTPUT)perf-with-kcore -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'

ifndef NO_LIBPERL

	$(call QUIET_INSTALL, perl-scripts) \

		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
@@ -923,7 +926,7 @@ config-clean: 
	@$(MAKE) -C config/feature-checks clean >/dev/null



clean: $(LIBTRACEEVENT)-clean $(LIBAPIKFS)-clean config-clean

	$(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS) $(GTK_OBJS)

	$(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf.o $(LANG_BINDINGS) $(GTK_OBJS)

	$(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf

	$(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS $(OUTPUT)PERF-FEATURES $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex*

	$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean

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