* [Bug tapsets/13456] New: tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1()
@ 2011-11-29 21:13 mjw at redhat dot com
2011-11-30 18:45 ` [Bug tapsets/13456] " dsmith at redhat dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: mjw at redhat dot com @ 2011-11-29 21:13 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=13456
Bug #: 13456
Summary: tapset/nd_syscalls.stp:# FIXME: doesn't handle
sys_epoll_create1()
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: tapsets
AssignedTo: systemtap@sourceware.org
ReportedBy: mjw@redhat.com
Classification: Unclassified
The corresponding tapset/syscalls.stp has:
probe syscall.epoll_create = kernel.function("sys_epoll_create1").call !,
kernel.function("sys_epoll_create").call ?
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* [Bug tapsets/13456] tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1()
2011-11-29 21:13 [Bug tapsets/13456] New: tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1() mjw at redhat dot com
@ 2011-11-30 18:45 ` dsmith at redhat dot com
2012-07-18 18:39 ` dsmith at redhat dot com
2012-07-20 19:25 ` dsmith at redhat dot com
2 siblings, 0 replies; 4+ messages in thread
From: dsmith at redhat dot com @ 2011-11-30 18:45 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=13456
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dsmith at redhat dot com
Depends on| |11424
--- Comment #1 from David Smith <dsmith at redhat dot com> 2011-11-30 18:43:42 UTC ---
The reason why it is done this way in syscalls.stp is that in the kernel
sys_epoll_create is just a wrapper around sys_epoll_create1. This way we
ignore the sys_epoll_create call, and only catch the sys_epoll_create1 call on
kernels with sys_epoll_create1.
Unfortunately, as bug #11424 notes, '!' (optional and sufficient) doesn't work
for kprobe.function probes. So, the above logic will be difficult to duplicate
in tapset/nd_syscalls.stp.
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* [Bug tapsets/13456] tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1()
2011-11-29 21:13 [Bug tapsets/13456] New: tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1() mjw at redhat dot com
2011-11-30 18:45 ` [Bug tapsets/13456] " dsmith at redhat dot com
@ 2012-07-18 18:39 ` dsmith at redhat dot com
2012-07-20 19:25 ` dsmith at redhat dot com
2 siblings, 0 replies; 4+ messages in thread
From: dsmith at redhat dot com @ 2012-07-18 18:39 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=13456
Bug 13456 depends on bug 11424, which changed state.
Bug 11424 Summary: dwarfless kprobe.* probes don't validate at translate time
http://sourceware.org/bugzilla/show_bug.cgi?id=11424
What |Old Value |New Value
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
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* [Bug tapsets/13456] tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1()
2011-11-29 21:13 [Bug tapsets/13456] New: tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1() mjw at redhat dot com
2011-11-30 18:45 ` [Bug tapsets/13456] " dsmith at redhat dot com
2012-07-18 18:39 ` dsmith at redhat dot com
@ 2012-07-20 19:25 ` dsmith at redhat dot com
2 siblings, 0 replies; 4+ messages in thread
From: dsmith at redhat dot com @ 2012-07-20 19:25 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=13456
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #2 from David Smith <dsmith at redhat dot com> 2012-07-20 19:25:18 UTC ---
Now that bug #11424 and bug #14378 are fixed, this bug can be addressed.
Fixed in commit 3b9ac30.
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2011-11-29 21:13 [Bug tapsets/13456] New: tapset/nd_syscalls.stp:# FIXME: doesn't handle sys_epoll_create1() mjw at redhat dot com
2011-11-30 18:45 ` [Bug tapsets/13456] " dsmith at redhat dot com
2012-07-18 18:39 ` dsmith at redhat dot com
2012-07-20 19:25 ` dsmith at redhat dot com
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