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| author | William Cohen <wcohen@redhat.com> | 2009-04-23 11:13:59 -0400 |
|---|---|---|
| committer | William Cohen <wcohen@redhat.com> | 2009-04-23 11:13:59 -0400 |
| commit | 927dab9f7b4298b4ef28ae87cdb7dafe43e5d76a (patch) | |
| tree | 1cd2cc946800969a9816883a8b2f2edc27caccdb /tapset/context.stp | |
| parent | 1e0a708d560ed69405e94a45d11067abae7f79a5 (diff) | |
| parent | 4fecf7f1c9fd8ae54ff13677c710b75a10d8cc91 (diff) | |
| download | systemtap-steved-927dab9f7b4298b4ef28ae87cdb7dafe43e5d76a.tar.gz systemtap-steved-927dab9f7b4298b4ef28ae87cdb7dafe43e5d76a.tar.xz systemtap-steved-927dab9f7b4298b4ef28ae87cdb7dafe43e5d76a.zip | |
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
Diffstat (limited to 'tapset/context.stp')
| -rw-r--r-- | tapset/context.stp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tapset/context.stp b/tapset/context.stp index 36d68c8d..6fad3740 100644 --- a/tapset/context.stp +++ b/tapset/context.stp @@ -233,12 +233,14 @@ function stack_unused:long () %{ /* pure */ %} /** - * sfunction uaddr - User space address of current running task. + * sfunction uaddr - User space address of current running task. EXPERIMENTAL. * * Description: Returns the address in userspace that the current * task was at when the probe occured. When the current running task * isn't a user space thread, or the address cannot be found, zero - * is returned. + * is returned. Can be used to see where the current task is combined + * with usymname() or symdata(). Often the task will be in the VDSO + * where it entered the kernel. FIXME - need VDSO tracking support #10080. */ function uaddr:long () %{ /* pure */ int64_t addr = 0; |