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| author | fabient <fabient@FreeBSD.org> | 2011-10-18 15:25:43 +0000 |
|---|---|---|
| committer | fabient <fabient@FreeBSD.org> | 2011-10-18 15:25:43 +0000 |
| commit | c0da433b0a908c85fe0547ba8054795948e39d30 (patch) | |
| tree | 3965b86bd8e0e5d008fd4219e7d38fa2351bfcac /lib/libpmc/pmc_configure_logfile.3 | |
| parent | 9e1982ba8eaabe131f148406f3f2819d8e0e1563 (diff) | |
| download | FreeBSD-src-c0da433b0a908c85fe0547ba8054795948e39d30.zip FreeBSD-src-c0da433b0a908c85fe0547ba8054795948e39d30.tar.gz | |
Add a flush of the current PMC log buffer before displaying the next top.
As the underlying block is 4KB if the PMC throughput is low the measurement
will be reported on the next tick. pmcstat(8) use the modified flush API to
reclaim current buffer before displaying next top.
MFC after: 1 month
Diffstat (limited to 'lib/libpmc/pmc_configure_logfile.3')
| -rw-r--r-- | lib/libpmc/pmc_configure_logfile.3 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/libpmc/pmc_configure_logfile.3 b/lib/libpmc/pmc_configure_logfile.3 index a33688c..399f21a 100644 --- a/lib/libpmc/pmc_configure_logfile.3 +++ b/lib/libpmc/pmc_configure_logfile.3 @@ -29,7 +29,8 @@ .Sh NAME .Nm pmc_configure_logfile , .Nm pmc_flush_logfile , -.Nm pmc_writelog +.Nm pmc_writelog , +.Nm pmc_close_logfile .Nd log file management .Sh LIBRARY .Lb libpmc @@ -41,6 +42,8 @@ .Fn pmc_flush_logfile void .Ft int .Fn pmc_writelog "uint32_t userdata" +.Ft int +.Fn pmc_close_logfile void .Sh DESCRIPTION The functions manage logging of .Xr hwpmc 4 @@ -72,6 +75,12 @@ Function will append a log entry containing the value of argument .Fa userdata to the log file. +.Pp +Function +.Fn pmc_close_logfile +will flush all pending log data and close +.Xr hwpmc 4 Ns Ap s +side of the stream. .Sh RETURN VALUES .Rv -std .Sh ERRORS |
