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Blame SOURCES/0594-journald-fix-accuracy-of-watchdog-timer-event.patch

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From 5386dfa655da623cbd5ab1be6c9c66ad866fc17a Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Thu, 12 Nov 2015 12:33:10 +0100
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Subject: [PATCH] journald: fix accuracy of watchdog timer event
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Adding 3/4th of the watchdog frequency as accuracy on top of 1/2 of the
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watchdog frequency means we might end up at 5/4th of the frequency which
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means we might miss the message from time to time.
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Maybe fixes #1804
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(cherry picked from commit 4de2402b603ea2f518f451d06f09e15aeae54fab)
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Related: #1511565
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---
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 src/journal/journald-server.c | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
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index 6e7568b60b..7c69061f47 100644
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--- a/src/journal/journald-server.c
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+++ b/src/journal/journald-server.c
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@@ -1716,7 +1716,7 @@ static int server_connect_notify(Server *s) {
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         if (sd_watchdog_enabled(false, &s->watchdog_usec) > 0) {
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                 s->send_watchdog = true;
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-                r = sd_event_add_time(s->event, &s->watchdog_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + s->watchdog_usec/2, s->watchdog_usec*3/4, dispatch_watchdog, s);
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+                r = sd_event_add_time(s->event, &s->watchdog_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + s->watchdog_usec/2, s->watchdog_usec/4, dispatch_watchdog, s);
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                 if (r < 0)
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                         return log_error_errno(r, "Failed to add watchdog time event: %m");
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         }