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Arnaldo Carvalho de Melo b5b60fda1e perf session: Make events_stats u64 to avoid overflow on 32-bit arches ... Pekka Enberg reported weird percentages in perf report. It turns out we are overflowing a 32-bit variables in struct events_stats on 32-bit architectures. Before: [acme@ana linux-2.6-tip]$ perf report -i pekka.perf.data 2> /dev/null | head -10 281.96% Xorg b710a561 [.] 0x000000b710a561 140.15% Xorg [kernel] [k] __initramfs_end 51.56% metacity libgobject-2.0.so.0.2000.1 [.] 0x00000000026e46 35.12% evolution libcairo.so.2.10800.6 [.] 0x000000000203bd 33.84% metacity libpthread-2.9.so [.] 0x00000000007a3d After: [acme@ana linux-2.6-tip]$ perf report -i pekka.perf.data 2> /dev/null | head -10 30.04% Xorg b710a561 [.] 0x000000b710a561 14.93% Xorg [kernel] [k] __initramfs_end 5.49% metacity libgobject-2.0.so.0.2000.1 [.] 0x00000000026e46 3.74% evolution libcairo.so.2.10800.6 [.] 0x000000000203bd 3.61% metacity libpthread-2.9.so [.] 0x00000000007a3d Reported-by: Pekka Enberg <penberg@cs.helsinki.fi> Tested-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1261148583-20395-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>		15 years ago
..
Documentation	perf diff: Use perf_session__fprintf_hists just like 'perf record'	15 years ago
bench	perf sched: Fix build failure on sparc	15 years ago
scripts/perl	perf trace/scripting: List available scripts	15 years ago
util	perf session: Make events_stats u64 to avoid overflow on 32-bit arches	15 years ago
.gitignore	perf tools: Add perf.data to .gitignore	15 years ago
CREDITS	perf_counter tools: Add CREDITS file for Git contributors	16 years ago
Makefile	perf probe: Fix libdwarf include path for Debian	15 years ago
builtin-annotate.c	perf symbols: Move symbol filtering to event__preprocess_sample()	15 years ago
builtin-bench.c	perf bench: Add "all" pseudo subsystem and "all" pseudo suite	15 years ago
builtin-buildid-list.c	perf symbols: Make symbol_conf global	15 years ago
builtin-diff.c	perf diff: Change the default sort order to "dso,symbol"	15 years ago
builtin-help.c	perf tools: Introduce zalloc() for the common calloc(1, N) case	15 years ago
builtin-kmem.c	perf symbols: Adopt the strlists for dso, comm	15 years ago
builtin-list.c	perf list: Fix large list output by using the pager	16 years ago
builtin-probe.c	perf probe: Check whether debugfs path is correct	15 years ago
builtin-record.c	perf record: Use per-task-per-cpu events for inherited events	15 years ago
builtin-report.c	perf session: Make events_stats u64 to avoid overflow on 32-bit arches	15 years ago
builtin-sched.c	perf symbols: Make symbol_conf global	15 years ago
builtin-stat.c	perf stat: Do not print ratio when task-clock event is not counted	15 years ago
builtin-timechart.c	perf symbols: Adopt the strlists for dso, comm	15 years ago
builtin-top.c	perf symbols: Move symbol filtering to event__preprocess_sample()	15 years ago
builtin-trace.c	perf symbols: Adopt the strlists for dso, comm	15 years ago
builtin.h	perf diff: Introduce tool to show performance difference	15 years ago
command-list.txt	perf diff: Introduce tool to show performance difference	15 years ago
design.txt	perf_event: Add alignment-faults and emulation-faults software events	15 years ago
perf.c	perf diff: Introduce tool to show performance difference	15 years ago
perf.h	perf tools: Allow building for ARM	15 years ago