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Diffstat (limited to 'stap.1.in')
-rw-r--r-- | stap.1.in | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -722,6 +722,16 @@ See the .IR stapex (5) manual page for a collection of samples. +.SH CACHING +The systemtap translator caches the pass 3 output (the generated C +code) and the pass 4 output (the compiled kernel module) if pass 4 +completes successfully. This cached output is reused if the same +script is translated again assuming the same conditions exist (same kernel +version, same systemtap version, etc.). Cached files are stored in +the +.I $SYSTEMTAP_DIR/cache +directory. + .SH SAFETY AND SECURITY Systemtap is an administrative tool. It exposes kernel internal data structures and potentially private user information. It acquires root @@ -785,6 +795,12 @@ Any pending trace messages may be lost. .SH FILES .\" consider autoconf-substituting these directories .TP +~/.systemtap +Systemtap data directory for cached systemtap files, unless overridden +by the +.I SYSTEMTAP_DIR +environment variable. +.TP /tmp/stapXXXXXX Temporary directory for systemtap files, including translated C code and kernel object. |