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A new time traceable flag was added to pmc agent to store the current time traceable status. This flag replaces the utc_offset_traceable flag in the HA clock selection algorithm and status command. Test plan: HA clock selection algorithm PASS: Verify the clock source which time isn't traceable is discarded by the algorithm if ha_gm_timeTraceable is enabled. PASS: Verify the clock source which time is traceable isn't discarded by the algorithm if ha_gm_timeTraceable is enabled. Regression: status command PASS: Verify the response of status command shows the correct GM time traceable. The 'valid sources' command is used to get a list of interfaces which the clock is matching the requirements. The response contains a space separated list of interfaces, or "None" when not a single clock is matching all the requirements. Test plan: valid sources command PASS: Verify that a space separated list of interface is returned when one or more clocks match the requirements. PASS: Verify that the string "None" is returned when not a single clock match the requirements. Now the GM time traceable check is enabled by default as it is an important check for both T-GM and T-BC scenarios. The GM time traceable check is controlled in configuration by using the ha_gm_timeTraceable setting, and it can be disabled using the value 0 (ha_gm_timeTraceable 0). Test plan: default value PASS Verify the check is performed by default. PASS Verify the user can disable the check by configuration. Bonus: Fixed the behavior when none clock is matching the requirements and the active clock source is disabled using the 'disable source <interface>' command. The interface is must be disabled and a new clock source is selected. Test plan: none clock is matching the requirements PASS: Verify that the active source can be disabled and a new one is selected. PASS: Verify that an attempt to disable the last active interface fails and an appopriated message is given as response. PASS: Verify that the interface with higher priority is selected after re-enabling it. PASS: Verify the active clock source doesn't change if another interface is disabled. PASS: Verify the active clock source doesn't change if another interface is re-enabled. Story: 2010723 Task: 48702 Change-Id: I64193575a995e520d36460c0ebb8dd452fa8c2b8 Signed-off-by: Andre Mauricio Zelak <andre.zelak@windriver.com>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 3bf4f1784fa0a03a252961f400a78d963773f8f5 Mon Sep 17 00:00:00 2001
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Message-Id: <3bf4f1784fa0a03a252961f400a78d963773f8f5.1630611367.git.Jim.Somerville@windriver.com>
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In-Reply-To: <0389752e3aecf8d2b2743f16ce1408a58088bea9.1630611367.git.Jim.Somerville@windriver.com>
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References: <0389752e3aecf8d2b2743f16ce1408a58088bea9.1630611367.git.Jim.Somerville@windriver.com>
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From: Miroslav Lichvar <mlichvar@redhat.com>
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Date: Mon, 31 May 2021 11:07:56 +0200
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Subject: [PATCH 5/54] clockcheck: Increase minimum interval.
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Increase the minimum check interval to 1 second to measure the frequency
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offset more accurately and with default configuration make false
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positives less likely due to a heavily overloaded system.
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Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
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Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
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[commit a082bcd700e4955ebaa00d7039bf4bce92048ac4 upstream]
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Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
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Signed-off-by: Andre Mauricio Zelak <andre.zelak@windriver.com>
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---
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clockcheck.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/clockcheck.c b/clockcheck.c
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index d0b4714..f0141be 100644
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--- a/clockcheck.c
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+++ b/clockcheck.c
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@@ -23,7 +23,7 @@
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#include "clockcheck.h"
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#include "print.h"
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-#define CHECK_MIN_INTERVAL 100000000
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+#define CHECK_MIN_INTERVAL 1000000000
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#define CHECK_MAX_FREQ 900000000
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struct clockcheck {
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--
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2.29.2
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