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[37/40] trace syscalls: Print out unmapped syscalls at boot

Message ID 1277287401-28571-38-git-send-email-imunsie@au1.ibm.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Ian Munsie June 23, 2010, 10:03 a.m. UTC 
From: Ian Munsie <imunsie@au1.ibm.com>

This patch will print out implemented but unmapped system calls at boot
to help quickly identify remaining unmapped system calls.

Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
---
 kernel/trace/trace_syscalls.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
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Patch

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 58ef002..c0041e3 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -102,6 +102,7 @@  static struct syscall_metadata *find_syscall_meta(unsigned long syscall)
 		if (start->name && arch_syscall_match_sym_name(str, start->name))
 			return start;
 	}
+	printk(KERN_DEBUG "ftrace syscalls: missing metadata for %s\n", str);
 	return NULL;
 }