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refactor(psci): move timestamp collection to psci_pwrdown_cpu

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psci_pwrdown_cpu has two callers, both of which save timestamps meant to
measure how much time the cache maintenance operations take. Move the
timestamp collection inside to save on a bit of code duplication.

Change-Id: Ia2e7168faf7773d99b696cbdb6c98db7b58e31cf
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
This commit is contained in:
Boyan Karatotev 2024-10-10 08:11:09 +01:00
parent 44ee7714a2
commit 9b1e800ef0
3 changed files with 20 additions and 35 deletions
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17
lib/psci/psci_suspend.c
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@ -92,29 +92,12 @@ static void psci_suspend_to_pwrdown_start(unsigned int end_pwrlvl,
*/
cm_init_my_context(ep);
#if ENABLE_RUNTIME_INSTRUMENTATION
/*
* Flush cache line so that even if CPU power down happens
* the timestamp update is reflected in memory.
*/
PMF_CAPTURE_TIMESTAMP(rt_instr_svc,
RT_INSTR_ENTER_CFLUSH,
PMF_CACHE_MAINT);
#endif
/*
* Arch. management. Initiate power down sequence.
* TODO : Introduce a mechanism to query the cache level to flush
* and the cpu-ops power down to perform from the platform.
*/
psci_pwrdown_cpu(max_off_lvl);
#if ENABLE_RUNTIME_INSTRUMENTATION
PMF_CAPTURE_TIMESTAMP(rt_instr_svc,
RT_INSTR_EXIT_CFLUSH,
PMF_NO_CACHE_MAINT);
#endif
}
/*******************************************************************************