asda?‰PNG  IHDR ? f ??C1 sRGB ??é gAMA ±? üa pHYs ? ??o¨d GIDATx^íüL”÷e÷Y?a?("Bh?_ò???¢§?q5k?*:t0A-o??¥]VkJ¢M??f?±8\k2íll£1]q?ù???T .TH killsnoop-nd 8 "2015-01-30" "USER COMMANDS" .SH NAME killsnoop-nd \- trace process signals. Uses Linux SystemTap (non-debuginfo). .SH SYNOPSIS .B killsnoop-nd.stp .SH DESCRIPTION This traces signals system-wide, including those sent by the kill(1) command, and shows various details. .SH REQUIREMENTS SystemTap. .SH EXAMPLES .TP Trace all signals, showing process details, signal number, and result: # .B killsnoop-nd.stp .SH FIELDS .TP FROM Process ID that issued the signal. .TP COMMAND Process name that issued the signal. .TP SIG Signal number. See "kill -l" in bash(1) for a list. .TP TO Signal destination PID. .TP RESULT Signal result. 0 for success. .SH OVERHEAD This traces signals and prints a line of output for each. The overhead to trace each signal should be low/negligible. .SH SOURCE This is from the SystemTap lwtools collection. .IP https://github.com/brendangregg/systemtap-lwtools .PP Also look under the examples directory for a text file containing example usage, output, and commentary for this tool. .SH OS Linux .SH STABILITY Unstable - in development. .SH AUTHOR Brendan Gregg .SH SEE ALSO strace(1)