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--- becki:linux:gnu_gprof [2018-04-04 08:25]
becki created
+++ becki:linux:gnu_gprof [2018-04-10 09:49] (aktuell)
becki [Generating Profile Data]
@@ Zeile 20: / Zeile 20: @@
 == Generating Profile Data
-According to GLAP p.619 the profile data file {{{gmon.out}}} is only written upon normal exit of the application, not eg on exit with SIGKILL
+According to GLAP p.619 the profile data file {{{gmon.out}}} is only written upon normal exit of the application, not eg on exit with SIGKILL. See also [[terminal_special_characters]]
-FIXME
+In order to exit gracefully for a programm with an infintite main loop, eg a signal handler for TERM could be installed. See [[/becki/my/linux/linux_signals]]
 == Analysing Profile Data
-FIXME
+  gprof foo gmon.out
+Writes ACII to stdout for review.
+It shows that different gmon.out produces from the same binary produce different results. GLAP p.628 proposes to produce multiple gmon.out's, build the average and review this:
+  gprof --sum foo gmon.out.?
+  gprof foo gmon.sum > gmon.sum.txt

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