cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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block-info.h (2126B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __PERF_BLOCK_H
      3#define __PERF_BLOCK_H
      4
      5#include <linux/types.h>
      6#include <linux/refcount.h>
      7#include "hist.h"
      8#include "symbol.h"
      9#include "sort.h"
     10#include "ui/ui.h"
     11
     12struct block_info {
     13	struct symbol		*sym;
     14	u64			start;
     15	u64			end;
     16	u64			cycles;
     17	u64			cycles_aggr;
     18	s64			cycles_spark[NUM_SPARKS];
     19	u64			total_cycles;
     20	int			num;
     21	int			num_aggr;
     22	refcount_t		refcnt;
     23};
     24
     25struct block_fmt {
     26	struct perf_hpp_fmt	fmt;
     27	int			idx;
     28	int			width;
     29	const char		*header;
     30	u64			total_cycles;
     31	u64			block_cycles;
     32};
     33
     34enum {
     35	PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT,
     36	PERF_HPP_REPORT__BLOCK_LBR_CYCLES,
     37	PERF_HPP_REPORT__BLOCK_CYCLES_PCT,
     38	PERF_HPP_REPORT__BLOCK_AVG_CYCLES,
     39	PERF_HPP_REPORT__BLOCK_RANGE,
     40	PERF_HPP_REPORT__BLOCK_DSO,
     41	PERF_HPP_REPORT__BLOCK_MAX_INDEX
     42};
     43
     44struct block_report {
     45	struct block_hist	hist;
     46	u64			cycles;
     47	struct block_fmt	fmts[PERF_HPP_REPORT__BLOCK_MAX_INDEX];
     48	int			nr_fmts;
     49};
     50
     51struct block_hist;
     52
     53struct block_info *block_info__new(void);
     54struct block_info *block_info__get(struct block_info *bi);
     55void   block_info__put(struct block_info *bi);
     56
     57static inline void __block_info__zput(struct block_info **bi)
     58{
     59	block_info__put(*bi);
     60	*bi = NULL;
     61}
     62
     63#define block_info__zput(bi) __block_info__zput(&bi)
     64
     65int64_t __block_info__cmp(struct hist_entry *left, struct hist_entry *right);
     66
     67int64_t block_info__cmp(struct perf_hpp_fmt *fmt __maybe_unused,
     68			struct hist_entry *left, struct hist_entry *right);
     69
     70int block_info__process_sym(struct hist_entry *he, struct block_hist *bh,
     71			    u64 *block_cycles_aggr, u64 total_cycles);
     72
     73struct block_report *block_info__create_report(struct evlist *evlist,
     74					       u64 total_cycles,
     75					       int *block_hpps, int nr_hpps,
     76					       int *nr_reps);
     77
     78void block_info__free_report(struct block_report *reps, int nr_reps);
     79
     80int report__browse_block_hists(struct block_hist *bh, float min_percent,
     81			       struct evsel *evsel, struct perf_env *env,
     82			       struct annotation_options *annotation_opts);
     83
     84float block_info__total_cycles_percent(struct hist_entry *he);
     85
     86#endif /* __PERF_BLOCK_H */