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25446036cb
When we filter the callchains below a given percentage, we
ignore them and the end result only shows entries that have an
upper percentage than the filter threshold.
It seems to users then that we have an imbalance in the
percentage, as if the sum inside a profiled branch doesn't
reach 100%.
Since in the past there have been real perf report bugs that
showed the same sypmtom, it would be nice to assure the user
that the data is perfect and trustable and it all sums up to
100.00%.
So fix this by displaying the remaining hits that have been
filtered but without more detail than their amount in each
branches. Example while filtering below 50%:
7.73% [k] delay_tsc
|
|--98.22%-- __const_udelay
| |
| |--86.37%-- ath5k_hw_register_timeout
| | ath5k_hw_noise_floor_calibration
| | ath5k_hw_reset
| | ath5k_reset
| | ath5k_config
| | ieee80211_hw_config
| | |
| | |--88.53%-- ieee80211_scan_work
| | | worker_thread
| | | kthread
| | | child_rip
| | --11.47%-- [...]
| --13.63%-- [...]
--1.78%-- [...]
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1249690585-9145-4-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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|---|---|---|
| .. | ||
| Documentation | ||
| util | ||
| .gitignore | ||
| builtin-annotate.c | ||
| builtin-help.c | ||
| builtin-list.c | ||
| builtin-record.c | ||
| builtin-report.c | ||
| builtin-stat.c | ||
| builtin-top.c | ||
| builtin.h | ||
| command-list.txt | ||
| CREDITS | ||
| design.txt | ||
| Makefile | ||
| perf.c | ||
| perf.h | ||