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Diffstat (limited to 'src/strauss.c')
-rw-r--r-- | src/strauss.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/strauss.c b/src/strauss.c index ce30823d9..40a5df04f 100644 --- a/src/strauss.c +++ b/src/strauss.c @@ -310,6 +310,23 @@ static const char *tips_tricks_tweaks[][MAX_TIP_LINES] = { "to hexadecimal numbers usage." }, { "-Y option (an alias to --decode-pids=comm)", "shows comm string associated with the PID." }, + { "Historically, strace had a mis-feature", + "of interpreting the \" (deleted)\" part", + "of the proc/pid/fd symlinks as a part", + "of the filename. This peculiar behaviour", + "ended with strace 5.19, which also enables", + "path tracing to trace FDs associated", + "with specific paths even after the paths", + "are unlinked." }, + { "It seems that IA-64, POWER and s390 are", + "the only architectures where it is possible", + "for strace to account for syscall time", + "properly by relying on the system time usage", + "reported by the kernel: these are the only", + "architectures that HAVE_VIRT_CPU_ACCOUNTING", + "config option enabled and thusly account", + "the CPU time on syscall entering and exiting", + "instead of approximating it." }, }; static const char tip_top[] = |