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f13bc61b2e
Add calculation of the current parallelism level (number of threads actively running on CPUs). The parallelism level can be shown in reports on its own, and to calculate latency overheads. Signed-off-by: Dmitry Vyukov <dvyukov@google.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lore.kernel.org/r/0f8c1b8eb12619029e31b3d5c0346f4616a5aeda.1739437531.git.dvyukov@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "addr_location.h"
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#include "map.h"
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#include "maps.h"
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#include "thread.h"
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void addr_location__init(struct addr_location *al)
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{
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al->thread = NULL;
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al->maps = NULL;
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al->map = NULL;
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al->sym = NULL;
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al->srcline = NULL;
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al->addr = 0;
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al->level = 0;
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al->filtered = 0;
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al->cpumode = 0;
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al->cpu = 0;
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al->socket = 0;
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al->parallelism = 1;
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}
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/*
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* The preprocess_sample method will return with reference counts for the
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* in it, when done using (and perhaps getting ref counts if needing to
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* keep a pointer to one of those entries) it must be paired with
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* addr_location__put(), so that the refcounts can be decremented.
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*/
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void addr_location__exit(struct addr_location *al)
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{
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map__zput(al->map);
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thread__zput(al->thread);
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maps__zput(al->maps);
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}
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void addr_location__copy(struct addr_location *dst, struct addr_location *src)
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{
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thread__put(dst->thread);
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maps__put(dst->maps);
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map__put(dst->map);
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*dst = *src;
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dst->thread = thread__get(src->thread);
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dst->maps = maps__get(src->maps);
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dst->map = map__get(src->map);
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}
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