235 lines
5.7 KiB
C
235 lines
5.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2022, Athira Rajeev, IBM Corp.
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* Copyright 2022, Madhavan Srinivasan, IBM Corp.
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* Copyright 2022, Kajol Jain, IBM Corp.
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*/
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#include <sys/stat.h>
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#include "../event.h"
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#define POWER10 0x80
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#define POWER9 0x4e
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#define PERF_POWER9_MASK 0x7f8ffffffffffff
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#define PERF_POWER10_MASK 0x7ffffffffffffff
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#define MMCR0_FC56 0x00000010UL /* freeze counters 5 and 6 */
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#define MMCR0_PMCCEXT 0x00000200UL /* PMCCEXT control */
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#define MMCR1_RSQ 0x200000000000ULL /* radix scope qual field */
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#define BHRB_DISABLE 0x2000000000ULL /* MMCRA BHRB DISABLE bit */
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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extern int ev_mask_pmcxsel, ev_shift_pmcxsel;
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extern int ev_mask_marked, ev_shift_marked;
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extern int ev_mask_comb, ev_shift_comb;
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extern int ev_mask_unit, ev_shift_unit;
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extern int ev_mask_pmc, ev_shift_pmc;
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extern int ev_mask_cache, ev_shift_cache;
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extern int ev_mask_sample, ev_shift_sample;
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extern int ev_mask_thd_sel, ev_shift_thd_sel;
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extern int ev_mask_thd_start, ev_shift_thd_start;
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extern int ev_mask_thd_stop, ev_shift_thd_stop;
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extern int ev_mask_thd_cmp, ev_shift_thd_cmp;
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extern int ev_mask_sm, ev_shift_sm;
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extern int ev_mask_rsq, ev_shift_rsq;
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extern int ev_mask_l2l3, ev_shift_l2l3;
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extern int ev_mask_mmcr3_src, ev_shift_mmcr3_src;
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extern int pvr;
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extern u64 platform_extended_mask;
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extern int check_pvr_for_sampling_tests(void);
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extern int platform_check_for_tests(void);
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/*
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* Event code field extraction macro.
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* Raw event code is combination of multiple
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* fields. Macro to extract individual fields
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*
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* x - Raw event code value
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* y - Field to extract
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*/
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#define EV_CODE_EXTRACT(x, y) \
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((x >> ev_shift_##y) & ev_mask_##y)
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void *event_sample_buf_mmap(int fd, int mmap_pages);
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void *__event_read_samples(void *sample_buff, size_t *size, u64 *sample_count);
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int collect_samples(void *sample_buff);
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u64 *get_intr_regs(struct event *event, void *sample_buff);
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u64 get_reg_value(u64 *intr_regs, char *register_name);
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int get_thresh_cmp_val(struct event event);
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bool check_for_generic_compat_pmu(void);
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bool check_for_compat_mode(void);
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static inline int get_mmcr0_fc56(u64 mmcr0, int pmc)
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{
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return (mmcr0 & MMCR0_FC56);
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}
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static inline int get_mmcr0_pmccext(u64 mmcr0, int pmc)
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{
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return (mmcr0 & MMCR0_PMCCEXT);
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}
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static inline int get_mmcr0_pmao(u64 mmcr0, int pmc)
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{
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return ((mmcr0 >> 7) & 0x1);
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}
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static inline int get_mmcr0_cc56run(u64 mmcr0, int pmc)
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{
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return ((mmcr0 >> 8) & 0x1);
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}
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static inline int get_mmcr0_pmcjce(u64 mmcr0, int pmc)
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{
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return ((mmcr0 >> 14) & 0x1);
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}
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static inline int get_mmcr0_pmc1ce(u64 mmcr0, int pmc)
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{
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return ((mmcr0 >> 15) & 0x1);
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}
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static inline int get_mmcr0_pmae(u64 mmcr0, int pmc)
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{
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return ((mmcr0 >> 27) & 0x1);
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}
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static inline int get_mmcr1_pmcxsel(u64 mmcr1, int pmc)
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{
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return ((mmcr1 >> ((24 - (((pmc) - 1) * 8))) & 0xff));
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}
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static inline int get_mmcr1_unit(u64 mmcr1, int pmc)
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{
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return ((mmcr1 >> ((60 - (4 * ((pmc) - 1))))) & 0xf);
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}
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static inline int get_mmcr1_comb(u64 mmcr1, int pmc)
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{
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return ((mmcr1 >> (38 - ((pmc - 1) * 2))) & 0x3);
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}
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static inline int get_mmcr1_cache(u64 mmcr1, int pmc)
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{
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return ((mmcr1 >> 46) & 0x3);
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}
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static inline int get_mmcr1_rsq(u64 mmcr1, int pmc)
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{
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return mmcr1 & MMCR1_RSQ;
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}
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static inline int get_mmcr2_fcs(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (63 - (((pmc) - 1) * 9)))) >> (63 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcp(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (62 - (((pmc) - 1) * 9)))) >> (62 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcpc(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (61 - (((pmc) - 1) * 9)))) >> (61 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcm1(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (60 - (((pmc) - 1) * 9)))) >> (60 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcm0(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (59 - (((pmc) - 1) * 9)))) >> (59 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcwait(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (58 - (((pmc) - 1) * 9)))) >> (58 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fch(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (57 - (((pmc) - 1) * 9)))) >> (57 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcti(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (56 - (((pmc) - 1) * 9)))) >> (56 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_fcta(u64 mmcr2, int pmc)
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{
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return ((mmcr2 & (1ull << (55 - (((pmc) - 1) * 9)))) >> (55 - (((pmc) - 1) * 9)));
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}
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static inline int get_mmcr2_l2l3(u64 mmcr2, int pmc)
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{
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if (pvr == POWER10)
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return ((mmcr2 & 0xf8) >> 3);
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return 0;
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}
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static inline int get_mmcr3_src(u64 mmcr3, int pmc)
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{
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if (pvr != POWER10)
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return 0;
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return ((mmcr3 >> ((49 - (15 * ((pmc) - 1))))) & 0x7fff);
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}
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static inline int get_mmcra_thd_cmp(u64 mmcra, int pmc)
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{
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if (pvr == POWER10)
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return ((mmcra >> 45) & 0x7ff);
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return ((mmcra >> 45) & 0x3ff);
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}
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static inline int get_mmcra_sm(u64 mmcra, int pmc)
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{
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return ((mmcra >> 42) & 0x3);
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}
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static inline u64 get_mmcra_bhrb_disable(u64 mmcra, int pmc)
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{
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if (pvr == POWER10)
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return mmcra & BHRB_DISABLE;
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return 0;
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}
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static inline int get_mmcra_ifm(u64 mmcra, int pmc)
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{
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return ((mmcra >> 30) & 0x3);
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}
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static inline int get_mmcra_thd_sel(u64 mmcra, int pmc)
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{
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return ((mmcra >> 16) & 0x7);
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}
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static inline int get_mmcra_thd_start(u64 mmcra, int pmc)
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{
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return ((mmcra >> 12) & 0xf);
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}
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static inline int get_mmcra_thd_stop(u64 mmcra, int pmc)
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{
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return ((mmcra >> 8) & 0xf);
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}
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static inline int get_mmcra_rand_samp_elig(u64 mmcra, int pmc)
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{
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return ((mmcra >> 4) & 0x7);
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}
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static inline int get_mmcra_sample_mode(u64 mmcra, int pmc)
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{
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return ((mmcra >> 1) & 0x3);
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}
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static inline int get_mmcra_marked(u64 mmcra, int pmc)
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{
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return mmcra & 0x1;
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}
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