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Re: [PATCH] Adding systemtap probe points in pthread library (slightly revised again)

From: Tom Tromey <tromey at redhat dot com>
To: Rayson Ho <rho at redhat dot com>
Cc: Bert Wesarg <bert dot wesarg at googlemail dot com>, Roland McGrath <roland at redhat dot com>, libc-alpha at sourceware dot org, systemtap at sources dot redhat dot com
Date: Thu, 10 Feb 2011 08:36:46 -0700
Subject: Re: [PATCH] Adding systemtap probe points in pthread library (slightly revised again)
References: <20110119185608.C32B518190D@magilla.sf.frob.com><1380329.143423.1296066249436.JavaMail.root@zmail05.collab.prod.int.phx2.redhat.com><20110126185428.51F111807AA@magilla.sf.frob.com><1296119488.1743.37.camel@computer><20110128072014.AA2F3183C1A@magilla.sf.frob.com><1296634321.13282.34.camel@computer><20110204190358.EA70D1807AF@magilla.sf.frob.com><1297203487.7176.20.camel@computer><20110208224822.505F21814AA@magilla.sf.frob.com><1297271351.23500.9.camel@computer><AANLkTinYr5NqSa8b8hsn4_4UUdrsjT46bzE4TqGc6V1D@mail.gmail.com><1297276499.23500.19.camel@computer><m3bp2jq59j.fsf@fleche.redhat.com>

Tom> The piece that is missing for my scenario is a probe that fires just
Tom> before glibc blocks on a mutex.  I couldn't think of a way to get this
Tom> information with the current set of probes.

Also, I noticed that the patch does not modify pthread_mutex_timedlock.c.
I think this means that some mutex acquisitions will go unnoticed.

Tom

Follow-Ups:
- RFC: i386 port of the pthread library probes
  - From: Rayson Ho

References:
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Rayson Ho
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Roland McGrath
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Rayson Ho
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Roland McGrath
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Rayson Ho
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Bert Wesarg
- Re: [PATCH] Adding systemtap probe points in pthread library(slightly revised again)
  - From: Rayson Ho
- Re: [PATCH] Adding systemtap probe points in pthread library (slightly revised again)
  - From: Tom Tromey

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