This is the mail archive of the
glibc-cvs@sourceware.org
mailing list for the glibc project.
GNU C Library master sources branch master updated. glibc-2.21-548-g4ac0fd4
- From: torvald at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 30 Jun 2015 15:08:23 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.21-548-g4ac0fd4
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 4ac0fd48e2924574c0046729e589f3c450e8bec4 (commit)
from 4eb984d3ab5641ce7992204756ac15a61f5f7181 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=4ac0fd48e2924574c0046729e589f3c450e8bec4
commit 4ac0fd48e2924574c0046729e589f3c450e8bec4
Author: Torvald Riegel <triegel@redhat.com>
Date: Tue Jun 30 17:05:44 2015 +0200
Remove documentation of lowlevellock systemtap probes.
The probes are not provided on all architectures (and only partially by the
x86 assembly implementation), and we are not aware of actual uses of these
probes.
a need for them.
diff --git a/ChangeLog b/ChangeLog
index 0e22a70..8a6c668 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2015-06-30 Torvald Riegel <triegel@redhat.com>
+ * nptl/DESIGN-systemtap-probes.txt: Remove lll_lock_wait,
+ lll_lock_wait_private and lll_futex_wake probes.
+
* sysdeps/unix/sysv/linux/i386/lowlevellock.h (BUSY_WAIT_NOP): Remove.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (BUSY_WAIT_NOP):
Likewise.
diff --git a/nptl/DESIGN-systemtap-probes.txt b/nptl/DESIGN-systemtap-probes.txt
index 16d7c45..ac972a9 100644
--- a/nptl/DESIGN-systemtap-probes.txt
+++ b/nptl/DESIGN-systemtap-probes.txt
@@ -53,22 +53,6 @@ rdlock_acquire_read - probe for pthread_rwlock_rdlock after successfully getting
rwlock_unlock - probe for pthread_rwlock_unlock
arg1 = address of rw lock
-lll_lock_wait - probe in low-level (assembly language) locking code, only fired
- when futex/FUTEX_WAIT is called (i.e. when trying to acquire a
- contented lock)
- arg1 = pointer to futex
- arg2 = flags passed to the futex system call
-lll_lock_wait_private - probe in low-level (assembly language) locking code,
- only fired when futex/FUTEX_WAIT is called (i.e. when
- trying to acquire a contented lock)
- arg1 = pointer to futex
-
-lll_futex_wake - probe in low-level (assembly language) locking code, only fired
- when futex (FUTEX_WAKE) is called
- arg1 = pointer to futex
- arg2 = number of processes to wake
- arg3 = additional flags
-
Condition variable Probes
=========================
cond_init - probe for pthread_cond_init
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 3 +++
nptl/DESIGN-systemtap-probes.txt | 16 ----------------
2 files changed, 3 insertions(+), 16 deletions(-)
hooks/post-receive
--
GNU C Library master sources