Simple ratelimit for ve_printk & level.
https://jira.sw.ru/browse/PSBM-42313
Signed-off-by: Dmitry Safonov <dsafo...@odin.com>
---
include/linux/printk.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 87bc842..13784a2 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -345,9 +345,21 @@ extern void dump_stack(void) __cold;
if (__ratelimit(&_rs)) \
printk(fmt, ##__VA_ARGS__); \
})
+
+#define ve_printk_ratelimited(dst, fmt, ...)
\
+({ \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ \
+ if (__ratelimit(&_rs)) \
+ ve_printk(dst, fmt, ##__VA_ARGS__);
\
+})
#else
#define printk_ratelimited(fmt, ...) \
no_printk(fmt, ##__VA_ARGS__)
+#define ve_printk_ratelimited(dst, fmt, ...)
\
+ no_printk(fmt, ##__VA_ARGS__)
#endif
#define pr_emerg_ratelimited(fmt, ...) \
@@ -365,6 +377,20 @@ extern void dump_stack(void) __cold;
#define pr_info_ratelimited(fmt, ...) \
printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
/* no pr_cont_ratelimited, don't do that... */
+#define ve_pr_emerg_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
+#define ve_pr_alert_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
+#define ve_pr_crit_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
+#define ve_pr_err_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
+#define ve_pr_warn_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define ve_pr_notice_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
+#define ve_pr_info_ratelimited(dst, fmt, ...)
\
+ ve_printk_ratelimited(dst, KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
#if defined(DEBUG)
#define pr_devel_ratelimited(fmt, ...) \
--
2.6.3
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