Module: xenomai-forge
Branch: master
Commit: cca5f8690344498271d8c60fef79897ceffa15a1
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=cca5f8690344498271d8c60fef79897ceffa15a1
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Sun Sep 23 16:41:50 2012 +0200
nucleus/debug: allow resetting xnlock statistics
---
kernel/cobalt/nucleus/pod.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/kernel/cobalt/nucleus/pod.c b/kernel/cobalt/nucleus/pod.c
index db49b15..9b1f933 100644
--- a/kernel/cobalt/nucleus/pod.c
+++ b/kernel/cobalt/nucleus/pod.c
@@ -2916,8 +2916,33 @@ static int lock_vfile_show(struct
xnvfile_regular_iterator *it, void *data)
return 0;
}
+static ssize_t lock_vfile_store(struct xnvfile_input *input)
+{
+ ssize_t ret;
+ spl_t s;
+ int cpu;
+
+ long val;
+
+ ret = xnvfile_get_integer(input, &val);
+ if (ret < 0)
+ return ret;
+
+ if (val != 0)
+ return -EINVAL;
+
+ for_each_online_cpu(cpu) {
+ xnlock_get_irqsave(&nklock, s);
+ memset(&xnlock_stats[cpu], '\0', sizeof(xnlock_stats[cpu]));
+ xnlock_put_irqrestore(&nklock, s);
+ }
+
+ return ret;
+}
+
static struct xnvfile_regular_ops lock_vfile_ops = {
.show = lock_vfile_show,
+ .store = lock_vfile_store,
};
static struct xnvfile_regular lock_vfile = {
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