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a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2013, Michael Ellerman, IBM Corp.
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*/
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#ifndef _SELFTESTS_POWERPC_PMU_EVENT_H
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#define _SELFTESTS_POWERPC_PMU_EVENT_H
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#include <unistd.h>
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#include <linux/perf_event.h>
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#include "utils.h"
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struct event {
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struct perf_event_attr attr;
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char *name;
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int fd;
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/* This must match the read_format we use */
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struct {
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u64 value;
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u64 running;
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u64 enabled;
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} result;
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/*
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* mmap buffer used while recording sample.
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* Accessed as "struct perf_event_mmap_page"
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*/
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void *mmap_buffer;
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};
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void event_init(struct event *e, u64 config);
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void event_init_named(struct event *e, u64 config, char *name);
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void event_init_opts(struct event *e, u64 config, int type, char *name);
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void event_init_sampling(struct event *e, u64 config);
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int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd);
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int event_open_with_group(struct event *e, int group_fd);
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int event_open_with_pid(struct event *e, pid_t pid);
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int event_open_with_cpu(struct event *e, int cpu);
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int event_open(struct event *e);
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void event_close(struct event *e);
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int event_enable(struct event *e);
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int event_disable(struct event *e);
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int event_reset(struct event *e);
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int event_read(struct event *e);
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void event_report_justified(struct event *e, int name_width, int result_width);
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void event_report(struct event *e);
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#endif /* _SELFTESTS_POWERPC_PMU_EVENT_H */
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