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| author | fche <fche> | 2005-05-26 13:53:30 +0000 |
|---|---|---|
| committer | fche <fche> | 2005-05-26 13:53:30 +0000 |
| commit | 128cdf6cf67944ee908bd0584cac089ec40434b3 (patch) | |
| tree | d890b8e10840793eddc0d9c1f76dc068ba0cb89f | |
| parent | abedf3db3774b54ee4ed227e3ae69e55fb0ff76c (diff) | |
| download | systemtap-steved-128cdf6cf67944ee908bd0584cac089ec40434b3.tar.gz systemtap-steved-128cdf6cf67944ee908bd0584cac089ec40434b3.tar.xz systemtap-steved-128cdf6cf67944ee908bd0584cac089ec40434b3.zip | |
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| -rw-r--r-- | tapsets/contextinfo/contextinfo.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tapsets/contextinfo/contextinfo.txt b/tapsets/contextinfo/contextinfo.txt index 275f1b6d..5f7f725f 100644 --- a/tapsets/contextinfo/contextinfo.txt +++ b/tapsets/contextinfo/contextinfo.txt @@ -24,6 +24,8 @@ $pc: number: PC snapshot at invocation $stack[depth]: number: PC of caller at given depth, if available + $pid, $tgid, $uid, $comm : number/string : current-> fields + * Dependencies: Debug-info files @@ -40,6 +42,9 @@ $stack[0] might take some probing in the registers, or (eek!) on the target stack frame. Conservatively returning 0 instead may be okay. + The current-based series of values ($pid etc.), for kernel-targeted + probes, need to check for !in_interrupt() before dereferencing current->. + * Data collection: Several of the variables are translation-time constants, so these don't |