[PATCH] perf report: Add a simple GTK2-based 'perf report' browser

This patch adds a simple GTK2-based browser to 'perf report' that's based on the TTY-based browser in builtin-report.c. Please not that you need to use make WERROR=0 to build perf on Fedora 15 (and possibly other distributions) because GTK ...

Message posted on the February 23rd, 2012 - 11:20 AM ET

[PATCH] perf report: auto-detect branch stack sampling mode

This patch adds auto-detection of samples with taken branch stacks. The auto-detection avoids having to specify the -b or --branch-stack option on the cmdline. The patch adds a new feature bit HEADER_BRANCH_STACK to mark the presence of branch ...

Message posted on the February 24th, 2012 - 4:50 AM ET

[PATCH] perf report: delay sample_type checks in pipe mode

The pipeline: perf record -a -g -o - sleep 5 |perf inject -v -b | perf report -g -i - generates the warning: Selected -g but no callchain data. Did you call 'perf record' without -g? The problem is that the header data is not written to the ...

Message posted on the June 11th, 2012 - 3:50 PM ET

[PATCH] perf report: fix error with -g in pipe mode

In pipe mode, we cannot check the validity of sample_type or the branch view mode until we start processing the events. There is no meta-data information at the beginning of the pipe mode stream. Instead, all the meta data is pushed via pseudo ...

Message posted on the April 10th, 2012 - 6:20 AM ET

[PATCH] perf report: fix event name reporting

Use trace_find_event to find event name before looking through /sys files. This helps 'perf report' to show real event names instead of 'unknown:unknown' when processing perf.data recorded on another machine. Signed-off-by: Dmitry Antipov ...

Message posted on the June 8th, 2012 - 8:30 AM ET

[PATCH] perf report: Fix calculation of the symbol column width

The calculation of each column width is determining longest string or number in the data (including header). However printing symbol column doesn't honor the width. This is fine if symbol column is printed at last (default behavior), but if user ...

Message posted on the March 13th, 2012 - 12:10 AM ET

[PATCH] perf report: Document '--call-graph' for optional print_limit argument

The '--call-graph' command line option can receive undocumented optional print_limit argument. Besides, use strtol to parse the option since its type is u32. Signed-off-by: Namhyung Kim <namhyung@gmail.com> ...

Message posted on the December 3rd, 2011 - 9:20 AM ET

[PATCH] perf report: fix broken perf report -n on 32-bit systems

On 32-bit systems, using perf report -n would yield garbage for the Samples column. This is because the hpp code was assuming the hist_entry.stat.nr_events was u64 when in reality it was u32. This patch fixes the problem by defining nr_events to be ...

Message posted on the October 22nd, 2012 - 5:10 PM ET

[PATCH] perf report/annotate: Add option to specify a CPU range

Add an option to perf report and perf annotate to specify which CPUs to operate on. This enables us to take a single system wide profile and analyse each CPU (or group of CPUs) in isolation. This was useful when profiling a multiprocess workload ...

Message posted on the June 29th, 2011 - 1:20 AM ET

[RFC PATCH] perf report: add sort by file lines

Hi, all This patch adds sort by file lines using dwarf debug info. In order to add perf tool support for my load latency patches, I asked a question about data variable symbols. http://marc.info/?l=linux-kernel&m9736540309559&w=2 Peter ...

Message posted on the March 29th, 2011 - 5:40 AM ET

[PATCH] perf, report: use properly build_id kernel binaries

resending with correct lkml address, sry jirka If we bring the recorded perf data together with kernel binary from another machine using: on server A: perf archive on server B: tar xjvf perf.data.tar.bz2 -C ~/.debug the build_id kernel dso is ...

Message posted on the June 1st, 2011 - 3:50 PM ET

[PATCH] perf report: Add --no-demangle option

From: Namhyung Kim <namhyung.kim@lge.com> It's sometimes useful to see undemangled raw symbol name for example other tools using the perf output to do manipulation of binaries. Suggested-by: William Cohen <wcohen@redhat.com> ...

Message posted on the March 25th, 2013 - 4:10 AM ET

[PATCH] perf report: Allow user to specify path to kallsyms file

This is useful for analyzing a perf data file on a different system than the one data was collected on and still include symbols from loaded kernel modules in the output. Signed-off-by: David Ahern <daahern@cisco.com> ...

Message posted on the December 7th, 2010 - 9:50 PM ET

[PATCH] perf report: fix crash showing warning related to kernel maps

While testing https://lkml.org/lkml/2012/4/10/123 I hit this crash: (gdb) bt 0 0x000000000042000f in __cmd_report (rep=0x7fff80cec580) at builtin-report.c:380 1 cmd_report (argc=0, argv=<optimized out>, prefix=<optimized out>) at ...

Message posted on the April 15th, 2012 - 11:00 PM ET

patch perf report