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When the callchain tree comes to insert an empty backtrace, it raises a spurious warning about the fact we are inserting an empty. This is spurious because the radix tree assumes it did something wrong to reach this state. But it didn't, we just met an empty callchain that has to be ignored. This happens occasionally with certain types of call-chain recordings. If it happens it's a big nuisance as perf report output starts with thousands of warning lines. 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: <1249690585-9145-2-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 | ||