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From: Timo Juhani Lindfors <timo.lindfors@iki.fi>
To: systemtap@sourceware.org
Cc: Timo Juhani Lindfors <timo.lindfors@iki.fi>
Subject: [PATCH] examples: Print PID of peer for unix sockets
Date: Fri, 29 Oct 2010 12:44:00 -0000	[thread overview]
Message-ID: <1288356270-1626-1-git-send-email-timo.lindfors@iki.fi> (raw)

This information is very useful for debugging but is not normally
available to userland since /proc/net/unix does not list it.
---
 testsuite/systemtap.examples/process/pfiles.stp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/testsuite/systemtap.examples/process/pfiles.stp b/testsuite/systemtap.examples/process/pfiles.stp
index 796a4f0..095f1a7 100755
--- a/testsuite/systemtap.examples/process/pfiles.stp
+++ b/testsuite/systemtap.examples/process/pfiles.stp
@@ -620,6 +620,8 @@ function print_unix_socket(sock) {
 	peername = socket_unix_peername(sock)
 	printf("%s%s", strlen(sockname) > 0 ? sockname . "\n" : "",
 		strlen(peername) > 0 ? peername . "\n" : "")
+	printf("        peercred pid: %d\n",
+	    @cast(sock, "socket")->sk->sk_peercred->pid);
 }
 
 function print_ipv4_socket(sock) {
-- 
1.7.1

             reply	other threads:[~2010-10-29 12:44 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-29 12:44 Timo Juhani Lindfors [this message]
2010-10-29 12:57 ` Mark Wielaard

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