nx-match: Succeed pulling 0-byte nx-match from NULL buffer.
[openvswitch] / lib / coverage-unixctl.man
1 .SS "COVERAGE COMMANDS"
2 These commands manage \fB\*(PN\fR's ``coverage counters,'' which count
3 the number of times particular events occur during a daemon's runtime.
4 In addition to these commands, \fB\*(PN\fR automatically logs coverage
5 counter values, at \fBINFO\fR level, when it detects that the daemon's
6 main loop takes unusually long to run.
7 .PP
8 Coverage counters are useful mainly for performance analysis and
9 debugging.
10 .IP "\fBcoverage/show\fR"
11 Displays the values of all of the coverage counters.