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linux/tools/perf/util/sort.h
Namhyung Kim fd45d52eae perf annotate-data: Add 'typecln' sort key 
Sometimes it's useful to organize member fields in cache-line boundary.

The 'typecln' sort key is short for type-cacheline and to show samples
in each cacheline.  The cacheline size is fixed to 64 for now, but it
can read the actual size once it saves the value from sysfs.

For example, you maybe want to which cacheline in a target is hot or
cold.  The following shows members in the cfs_rq's first cache line.

  $ perf report -s type,typecln,typeoff -H
  ...
  -    2.67%        struct cfs_rq
     +    1.23%        struct cfs_rq: cache-line 2
     +    0.57%        struct cfs_rq: cache-line 4
     +    0.46%        struct cfs_rq: cache-line 6
     -    0.41%        struct cfs_rq: cache-line 0
             0.39%        struct cfs_rq +0x14 (h_nr_running)
             0.02%        struct cfs_rq +0x38 (tasks_timeline.rb_leftmost)
  ...

Committer testing:

  # root@number:~# perf report -s type,typecln,typeoff -H --stdio
  # Total Lost Samples: 0
  #
  # Samples: 5K of event 'cpu_atom/mem-loads,ldlat=5/P'
  # Event count (approx.): 312251
  #
  #       Overhead  Data Type / Data Type Cacheline / Data Type Offset
  # ..............  ..................................................
  #
  <SNIP>
       0.07%        struct sigaction
          0.05%        struct sigaction: cache-line 1
             0.02%        struct sigaction +0x58 (sa_mask)
             0.02%        struct sigaction +0x78 (sa_mask)
          0.03%        struct sigaction: cache-line 0
             0.02%        struct sigaction +0x38 (sa_mask)
             0.01%        struct sigaction +0x8 (sa_mask)
  <SNIP>

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240819233603.54941-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-08-21 11:48:43 -03:00

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_SORT_H
#define __PERF_SORT_H
#include <regex.h>
#include <stdbool.h>
#include "hist.h"
struct option;
extern regex_t parent_regex;
extern const char *sort_order;
extern const char *field_order;
extern const char default_parent_pattern[];
extern const char *parent_pattern;
extern const char *default_sort_order;
extern regex_t ignore_callees_regex;
extern int have_ignore_callees;
extern enum sort_mode sort__mode;
extern struct sort_entry sort_comm;
extern struct sort_entry sort_dso;
extern struct sort_entry sort_sym;
extern struct sort_entry sort_parent;
extern struct sort_entry sort_dso_from;
extern struct sort_entry sort_dso_to;
extern struct sort_entry sort_sym_from;
extern struct sort_entry sort_sym_to;
extern struct sort_entry sort_srcline;
extern struct sort_entry sort_type;
extern const char default_mem_sort_order[];
extern bool chk_double_cl;
enum sort_mode {
SORT_MODE__NORMAL,
SORT_MODE__BRANCH,
SORT_MODE__MEMORY,
SORT_MODE__TOP,
SORT_MODE__DIFF,
SORT_MODE__TRACEPOINT,
};
enum sort_type {
/* common sort keys */
SORT_PID,
SORT_COMM,
SORT_DSO,
SORT_SYM,
SORT_PARENT,
SORT_CPU,
SORT_SOCKET,
SORT_SRCLINE,
SORT_SRCFILE,
SORT_LOCAL_WEIGHT,
SORT_GLOBAL_WEIGHT,
SORT_TRANSACTION,
SORT_TRACE,
SORT_SYM_SIZE,
SORT_DSO_SIZE,
SORT_CGROUP,
SORT_CGROUP_ID,
SORT_SYM_IPC_NULL,
SORT_TIME,
SORT_CODE_PAGE_SIZE,
SORT_LOCAL_INS_LAT,
SORT_GLOBAL_INS_LAT,
SORT_LOCAL_PIPELINE_STAGE_CYC,
SORT_GLOBAL_PIPELINE_STAGE_CYC,
SORT_ADDR,
SORT_LOCAL_RETIRE_LAT,
SORT_GLOBAL_RETIRE_LAT,
SORT_SIMD,
SORT_ANNOTATE_DATA_TYPE,
SORT_ANNOTATE_DATA_TYPE_OFFSET,
SORT_SYM_OFFSET,
SORT_ANNOTATE_DATA_TYPE_CACHELINE,
/* branch stack specific sort keys */
__SORT_BRANCH_STACK,
SORT_DSO_FROM = __SORT_BRANCH_STACK,
SORT_DSO_TO,
SORT_SYM_FROM,
SORT_SYM_TO,
SORT_MISPREDICT,
SORT_ABORT,
SORT_IN_TX,
SORT_CYCLES,
SORT_SRCLINE_FROM,
SORT_SRCLINE_TO,
SORT_SYM_IPC,
SORT_ADDR_FROM,
SORT_ADDR_TO,
/* memory mode specific sort keys */
__SORT_MEMORY_MODE,
SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
SORT_MEM_DADDR_DSO,
SORT_MEM_LOCKED,
SORT_MEM_TLB,
SORT_MEM_LVL,
SORT_MEM_SNOOP,
SORT_MEM_DCACHELINE,
SORT_MEM_IADDR_SYMBOL,
SORT_MEM_PHYS_DADDR,
SORT_MEM_DATA_PAGE_SIZE,
SORT_MEM_BLOCKED,
};
/*
* configurable sorting bits
*/
struct sort_entry {
const char *se_header;
int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
int64_t (*se_sort)(struct hist_entry *, struct hist_entry *);
int (*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
unsigned int width);
int (*se_filter)(struct hist_entry *he, int type, const void *arg);
void (*se_init)(struct hist_entry *he);
u8 se_width_idx;
};
extern struct sort_entry sort_thread;
struct evlist;
struct tep_handle;
int setup_sorting(struct evlist *evlist);
int setup_output_field(void);
void reset_output_field(void);
void sort__setup_elide(FILE *fp);
void perf_hpp__set_elide(int idx, bool elide);
char *sort_help(const char *prefix, enum sort_mode mode);
int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
bool is_strict_order(const char *order);
int hpp_dimension__add_output(unsigned col);
void reset_dimensions(void);
int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
struct evlist *evlist,
int level);
int output_field_add(struct perf_hpp_list *list, const char *tok);
int64_t
sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
int64_t
sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
int64_t
sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
int64_t
_sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r);
char *hist_entry__srcline(struct hist_entry *he);
#endif /* __PERF_SORT_H */
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