[deliverable/linux.git] / tools / perf / util / sort.c

#include "sort.h"
#include "hist.h"

regex_t		parent_regex;
const char	default_parent_pattern[] = "^sys_|^do_page_fault";
const char	*parent_pattern = default_parent_pattern;
const char	default_sort_order[] = "comm,dso,symbol";
const char	*sort_order = default_sort_order;
int		sort__need_collapse = 0;
int		sort__has_parent = 0;
bool		sort__branch_mode;

enum sort_type	sort__first_dimension;

char * field_sep;

LIST_HEAD(hist_entry__sort_list);

static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
{
	int n;
	va_list ap;

	va_start(ap, fmt);
	n = vsnprintf(bf, size, fmt, ap);
	if (field_sep && n > 0) {
		char *sep = bf;

		while (1) {
			sep = strchr(sep, *field_sep);
			if (sep == NULL)
				break;
			*sep = '.';
		}
	}
	va_end(ap);
	return n;
}

static int64_t cmp_null(void *l, void *r)
{
	if (!l && !r)
		return 0;
	else if (!l)
		return -1;
	else
		return 1;
}

/* --sort pid */

static int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->thread->pid - left->thread->pid;
}

static int hist_entry__thread_snprintf(struct hist_entry *self, char *bf,
				       size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%*s:%5d", width,
			      self->thread->comm ?: "", self->thread->pid);
}

struct sort_entry sort_thread = {
	.se_header	= "Command:  Pid",
	.se_cmp		= sort__thread_cmp,
	.se_snprintf	= hist_entry__thread_snprintf,
	.se_width_idx	= HISTC_THREAD,
};

/* --sort comm */

static int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->thread->pid - left->thread->pid;
}

static int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
	char *comm_l = left->thread->comm;
	char *comm_r = right->thread->comm;

	if (!comm_l || !comm_r)
		return cmp_null(comm_l, comm_r);

	return strcmp(comm_l, comm_r);
}

static int hist_entry__comm_snprintf(struct hist_entry *self, char *bf,
				     size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%*s", width, self->thread->comm);
}

static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
{
	struct dso *dso_l = map_l ? map_l->dso : NULL;
	struct dso *dso_r = map_r ? map_r->dso : NULL;
	const char *dso_name_l, *dso_name_r;

	if (!dso_l || !dso_r)
		return cmp_null(dso_l, dso_r);

	if (verbose) {
		dso_name_l = dso_l->long_name;
		dso_name_r = dso_r->long_name;
	} else {
		dso_name_l = dso_l->short_name;
		dso_name_r = dso_r->short_name;
	}

	return strcmp(dso_name_l, dso_name_r);
}

struct sort_entry sort_comm = {
	.se_header	= "Command",
	.se_cmp		= sort__comm_cmp,
	.se_collapse	= sort__comm_collapse,
	.se_snprintf	= hist_entry__comm_snprintf,
	.se_width_idx	= HISTC_COMM,
};

/* --sort dso */

static int64_t
sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return _sort__dso_cmp(left->ms.map, right->ms.map);
}


static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r,
			      u64 ip_l, u64 ip_r)
{
	if (!sym_l || !sym_r)
		return cmp_null(sym_l, sym_r);

	if (sym_l == sym_r)
		return 0;

	if (sym_l)
		ip_l = sym_l->start;
	if (sym_r)
		ip_r = sym_r->start;

	return (int64_t)(ip_r - ip_l);
}

static int _hist_entry__dso_snprintf(struct map *map, char *bf,
				     size_t size, unsigned int width)
{
	if (map && map->dso) {
		const char *dso_name = !verbose ? map->dso->short_name :
			map->dso->long_name;
		return repsep_snprintf(bf, size, "%-*s", width, dso_name);
	}

	return repsep_snprintf(bf, size, "%-*s", width, "[unknown]");
}

static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf,
				    size_t size, unsigned int width)
{
	return _hist_entry__dso_snprintf(self->ms.map, bf, size, width);
}

static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
				     u64 ip, char level, char *bf, size_t size,
				     unsigned int width __used)
{
	size_t ret = 0;

	if (verbose) {
		char o = map ? dso__symtab_origin(map->dso) : '!';
		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
				       BITS_PER_LONG / 4, ip, o);
	}

	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
	if (sym)
		ret += repsep_snprintf(bf + ret, size - ret, "%-*s",
				       width - ret,
				       sym->name);
	else {
		size_t len = BITS_PER_LONG / 4;
		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
				       len, ip);
		ret += repsep_snprintf(bf + ret, size - ret, "%-*s",
				       width - ret, "");
	}

	return ret;
}


struct sort_entry sort_dso = {
	.se_header	= "Shared Object",
	.se_cmp		= sort__dso_cmp,
	.se_snprintf	= hist_entry__dso_snprintf,
	.se_width_idx	= HISTC_DSO,
};

static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
				    size_t size, unsigned int width __used)
{
	return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip,
					 self->level, bf, size, width);
}

/* --sort symbol */
static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
{
	u64 ip_l, ip_r;

	if (!left->ms.sym && !right->ms.sym)
		return right->level - left->level;

	if (!left->ms.sym || !right->ms.sym)
		return cmp_null(left->ms.sym, right->ms.sym);

	if (left->ms.sym == right->ms.sym)
		return 0;

	ip_l = left->ms.sym->start;
	ip_r = right->ms.sym->start;

	return _sort__sym_cmp(left->ms.sym, right->ms.sym, ip_l, ip_r);
}

struct sort_entry sort_sym = {
	.se_header	= "Symbol",
	.se_cmp		= sort__sym_cmp,
	.se_snprintf	= hist_entry__sym_snprintf,
	.se_width_idx	= HISTC_SYMBOL,
};

/* --sort parent */

static int64_t
sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct symbol *sym_l = left->parent;
	struct symbol *sym_r = right->parent;

	if (!sym_l || !sym_r)
		return cmp_null(sym_l, sym_r);

	return strcmp(sym_l->name, sym_r->name);
}

static int hist_entry__parent_snprintf(struct hist_entry *self, char *bf,
				       size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%-*s", width,
			      self->parent ? self->parent->name : "[other]");
}

struct sort_entry sort_parent = {
	.se_header	= "Parent symbol",
	.se_cmp		= sort__parent_cmp,
	.se_snprintf	= hist_entry__parent_snprintf,
	.se_width_idx	= HISTC_PARENT,
};

/* --sort cpu */

static int64_t
sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->cpu - left->cpu;
}

static int hist_entry__cpu_snprintf(struct hist_entry *self, char *bf,
				       size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%-*d", width, self->cpu);
}

struct sort_entry sort_cpu = {
	.se_header      = "CPU",
	.se_cmp	        = sort__cpu_cmp,
	.se_snprintf    = hist_entry__cpu_snprintf,
	.se_width_idx	= HISTC_CPU,
};

static int64_t
sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return _sort__dso_cmp(left->branch_info->from.map,
			      right->branch_info->from.map);
}

static int hist_entry__dso_from_snprintf(struct hist_entry *self, char *bf,
				    size_t size, unsigned int width)
{
	return _hist_entry__dso_snprintf(self->branch_info->from.map,
					 bf, size, width);
}

struct sort_entry sort_dso_from = {
	.se_header	= "Source Shared Object",
	.se_cmp		= sort__dso_from_cmp,
	.se_snprintf	= hist_entry__dso_from_snprintf,
	.se_width_idx	= HISTC_DSO_FROM,
};

static int64_t
sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return _sort__dso_cmp(left->branch_info->to.map,
			      right->branch_info->to.map);
}

static int hist_entry__dso_to_snprintf(struct hist_entry *self, char *bf,
				       size_t size, unsigned int width)
{
	return _hist_entry__dso_snprintf(self->branch_info->to.map,
					 bf, size, width);
}

static int64_t
sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct addr_map_symbol *from_l = &left->branch_info->from;
	struct addr_map_symbol *from_r = &right->branch_info->from;

	if (!from_l->sym && !from_r->sym)
		return right->level - left->level;

	return _sort__sym_cmp(from_l->sym, from_r->sym, from_l->addr,
			     from_r->addr);
}

static int64_t
sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct addr_map_symbol *to_l = &left->branch_info->to;
	struct addr_map_symbol *to_r = &right->branch_info->to;

	if (!to_l->sym && !to_r->sym)
		return right->level - left->level;

	return _sort__sym_cmp(to_l->sym, to_r->sym, to_l->addr, to_r->addr);
}

static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
				    size_t size, unsigned int width __used)
{
	struct addr_map_symbol *from = &self->branch_info->from;
	return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
					 self->level, bf, size, width);

}

static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf,
				    size_t size, unsigned int width __used)
{
	struct addr_map_symbol *to = &self->branch_info->to;
	return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
					 self->level, bf, size, width);

}

struct sort_entry sort_dso_to = {
	.se_header	= "Target Shared Object",
	.se_cmp		= sort__dso_to_cmp,
	.se_snprintf	= hist_entry__dso_to_snprintf,
	.se_width_idx	= HISTC_DSO_TO,
};

struct sort_entry sort_sym_from = {
	.se_header	= "Source Symbol",
	.se_cmp		= sort__sym_from_cmp,
	.se_snprintf	= hist_entry__sym_from_snprintf,
	.se_width_idx	= HISTC_SYMBOL_FROM,
};

struct sort_entry sort_sym_to = {
	.se_header	= "Target Symbol",
	.se_cmp		= sort__sym_to_cmp,
	.se_snprintf	= hist_entry__sym_to_snprintf,
	.se_width_idx	= HISTC_SYMBOL_TO,
};

static int64_t
sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
{
	const unsigned char mp = left->branch_info->flags.mispred !=
					right->branch_info->flags.mispred;
	const unsigned char p = left->branch_info->flags.predicted !=
					right->branch_info->flags.predicted;

	return mp || p;
}

static int hist_entry__mispredict_snprintf(struct hist_entry *self, char *bf,
				    size_t size, unsigned int width){
	static const char *out = "N/A";

	if (self->branch_info->flags.predicted)
		out = "N";
	else if (self->branch_info->flags.mispred)
		out = "Y";

	return repsep_snprintf(bf, size, "%-*s", width, out);
}

struct sort_entry sort_mispredict = {
	.se_header	= "Branch Mispredicted",
	.se_cmp		= sort__mispredict_cmp,
	.se_snprintf	= hist_entry__mispredict_snprintf,
	.se_width_idx	= HISTC_MISPREDICT,
};

struct sort_dimension {
	const char		*name;
	struct sort_entry	*entry;
	int			taken;
};

#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }

static struct sort_dimension sort_dimensions[] = {
	DIM(SORT_PID, "pid", sort_thread),
	DIM(SORT_COMM, "comm", sort_comm),
	DIM(SORT_DSO, "dso", sort_dso),
	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
	DIM(SORT_SYM, "symbol", sort_sym),
	DIM(SORT_SYM_TO, "symbol_from", sort_sym_from),
	DIM(SORT_SYM_FROM, "symbol_to", sort_sym_to),
	DIM(SORT_PARENT, "parent", sort_parent),
	DIM(SORT_CPU, "cpu", sort_cpu),
	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
};

int sort_dimension__add(const char *tok)
{
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
		struct sort_dimension *sd = &sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;
		if (sd->entry == &sort_parent) {
			int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
			if (ret) {
				char err[BUFSIZ];

				regerror(ret, &parent_regex, err, sizeof(err));
				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
				return -EINVAL;
			}
			sort__has_parent = 1;
		}

		if (sd->taken)
			return 0;

		if (sd->entry->se_collapse)
			sort__need_collapse = 1;

		if (list_empty(&hist_entry__sort_list)) {
			if (!strcmp(sd->name, "pid"))
				sort__first_dimension = SORT_PID;
			else if (!strcmp(sd->name, "comm"))
				sort__first_dimension = SORT_COMM;
			else if (!strcmp(sd->name, "dso"))
				sort__first_dimension = SORT_DSO;
			else if (!strcmp(sd->name, "symbol"))
				sort__first_dimension = SORT_SYM;
			else if (!strcmp(sd->name, "parent"))
				sort__first_dimension = SORT_PARENT;
			else if (!strcmp(sd->name, "cpu"))
				sort__first_dimension = SORT_CPU;
			else if (!strcmp(sd->name, "symbol_from"))
				sort__first_dimension = SORT_SYM_FROM;
			else if (!strcmp(sd->name, "symbol_to"))
				sort__first_dimension = SORT_SYM_TO;
			else if (!strcmp(sd->name, "dso_from"))
				sort__first_dimension = SORT_DSO_FROM;
			else if (!strcmp(sd->name, "dso_to"))
				sort__first_dimension = SORT_DSO_TO;
			else if (!strcmp(sd->name, "mispredict"))
				sort__first_dimension = SORT_MISPREDICT;
		}

		list_add_tail(&sd->entry->list, &hist_entry__sort_list);
		sd->taken = 1;

		return 0;
	}
	return -ESRCH;
}

void setup_sorting(const char * const usagestr[], const struct option *opts)
{
	char *tmp, *tok, *str = strdup(sort_order);

	for (tok = strtok_r(str, ", ", &tmp);
			tok; tok = strtok_r(NULL, ", ", &tmp)) {
		if (sort_dimension__add(tok) < 0) {
			error("Unknown --sort key: `%s'", tok);
			usage_with_options(usagestr, opts);
		}
	}

	free(str);
}

void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,
			     const char *list_name, FILE *fp)
{
	if (list && strlist__nr_entries(list) == 1) {
		if (fp != NULL)
			fprintf(fp, "# %s: %s\n", list_name,
				strlist__entry(list, 0)->s);
		self->elide = true;
	}
}
Commit	Line	Data
dd68ada2	1	#include "sort.h"
8a6c5b26	2	#include "hist.h"
dd68ada2 JK	3
dd68ada2 JK	4	regex_t parent_regex;
edb7c60e ACM	5	const char default_parent_pattern[] = "^sys_\|^do_page_fault";
	6	const char *parent_pattern = default_parent_pattern;
	7	const char default_sort_order[] = "comm,dso,symbol";
	8	const char *sort_order = default_sort_order;
af0a6fa4 FW	9	int sort__need_collapse = 0;
af0a6fa4 FW	10	int sort__has_parent = 0;
b5387528	11	bool sort__branch_mode;
a4fb581b FW	12
a4fb581b FW	13	enum sort_type sort__first_dimension;
dd68ada2	14
dd68ada2 JK	15	char * field_sep;
	16
	17	LIST_HEAD(hist_entry__sort_list);
	18
a4e3b956	19	static int repsep_snprintf(char bf, size_t size, const char fmt, ...)
dd68ada2 JK	20	{
	21	int n;
	22	va_list ap;
	23
	24	va_start(ap, fmt);
a4e3b956 ACM	25	n = vsnprintf(bf, size, fmt, ap);
	26	if (field_sep && n > 0) {
	27	char *sep = bf;
	28
	29	while (1) {
	30	sep = strchr(sep, *field_sep);
	31	if (sep == NULL)
	32	break;
	33	*sep = '.';
dd68ada2	34	}
dd68ada2 JK	35	}
	36	va_end(ap);
	37	return n;
	38	}
	39
872a878f FW	40	static int64_t cmp_null(void l, void r)
	41	{
	42	if (!l && !r)
	43	return 0;
	44	else if (!l)
	45	return -1;
	46	else
	47	return 1;
	48	}
	49
	50	/* --sort pid */
	51
	52	static int64_t
	53	sort__thread_cmp(struct hist_entry left, struct hist_entry right)
	54	{
	55	return right->thread->pid - left->thread->pid;
	56	}
	57
a4e3b956 ACM	58	static int hist_entry__thread_snprintf(struct hist_entry self, char bf,
a4e3b956 ACM	59	size_t size, unsigned int width)
dd68ada2	60	{
a4e3b956	61	return repsep_snprintf(bf, size, "%*s:%5d", width,
dd68ada2 JK	62	self->thread->comm ?: "", self->thread->pid);
	63	}
	64
872a878f FW	65	struct sort_entry sort_thread = {
	66	.se_header = "Command: Pid",
	67	.se_cmp = sort__thread_cmp,
	68	.se_snprintf = hist_entry__thread_snprintf,
	69	.se_width_idx = HISTC_THREAD,
	70	};
	71
	72	/* --sort comm */
	73
	74	static int64_t
	75	sort__comm_cmp(struct hist_entry left, struct hist_entry right)
	76	{
	77	return right->thread->pid - left->thread->pid;
	78	}
	79
	80	static int64_t
	81	sort__comm_collapse(struct hist_entry left, struct hist_entry right)
	82	{
	83	char *comm_l = left->thread->comm;
	84	char *comm_r = right->thread->comm;
	85
	86	if (!comm_l \|\| !comm_r)
	87	return cmp_null(comm_l, comm_r);
	88
	89	return strcmp(comm_l, comm_r);
	90	}
	91
a4e3b956 ACM	92	static int hist_entry__comm_snprintf(struct hist_entry self, char bf,
a4e3b956 ACM	93	size_t size, unsigned int width)
dd68ada2	94	{
a4e3b956	95	return repsep_snprintf(bf, size, "%*s", width, self->thread->comm);
dd68ada2 JK	96	}
dd68ada2 JK	97
b5387528 RAV	98	static int64_t _sort__dso_cmp(struct map map_l, struct map map_r)
	99	{
	100	struct dso *dso_l = map_l ? map_l->dso : NULL;
	101	struct dso *dso_r = map_r ? map_r->dso : NULL;
	102	const char dso_name_l, dso_name_r;
	103
	104	if (!dso_l \|\| !dso_r)
	105	return cmp_null(dso_l, dso_r);
	106
	107	if (verbose) {
	108	dso_name_l = dso_l->long_name;
	109	dso_name_r = dso_r->long_name;
	110	} else {
	111	dso_name_l = dso_l->short_name;
	112	dso_name_r = dso_r->short_name;
	113	}
	114
	115	return strcmp(dso_name_l, dso_name_r);
	116	}
	117
872a878f FW	118	struct sort_entry sort_comm = {
	119	.se_header = "Command",
	120	.se_cmp = sort__comm_cmp,
	121	.se_collapse = sort__comm_collapse,
	122	.se_snprintf = hist_entry__comm_snprintf,
	123	.se_width_idx = HISTC_COMM,
	124	};
	125
dd68ada2 JK	126	/* --sort dso */
dd68ada2 JK	127
872a878f	128	static int64_t
dd68ada2 JK	129	sort__dso_cmp(struct hist_entry left, struct hist_entry right)
dd68ada2 JK	130	{
b5387528 RAV	131	return _sort__dso_cmp(left->ms.map, right->ms.map);
b5387528 RAV	132	}
dd68ada2	133
dd68ada2	134
b5387528 RAV	135	static int64_t _sort__sym_cmp(struct symbol sym_l, struct symbol sym_r,
	136	u64 ip_l, u64 ip_r)
	137	{
	138	if (!sym_l \|\| !sym_r)
	139	return cmp_null(sym_l, sym_r);
	140
	141	if (sym_l == sym_r)
	142	return 0;
	143
	144	if (sym_l)
	145	ip_l = sym_l->start;
	146	if (sym_r)
	147	ip_r = sym_r->start;
	148
	149	return (int64_t)(ip_r - ip_l);
	150	}
	151
	152	static int _hist_entry__dso_snprintf(struct map map, char bf,
	153	size_t size, unsigned int width)
	154	{
	155	if (map && map->dso) {
	156	const char *dso_name = !verbose ? map->dso->short_name :
	157	map->dso->long_name;
	158	return repsep_snprintf(bf, size, "%-*s", width, dso_name);
439d473b ACM	159	}
439d473b ACM	160
b5387528	161	return repsep_snprintf(bf, size, "%-*s", width, "[unknown]");
dd68ada2 JK	162	}
dd68ada2 JK	163
a4e3b956 ACM	164	static int hist_entry__dso_snprintf(struct hist_entry self, char bf,
a4e3b956 ACM	165	size_t size, unsigned int width)
dd68ada2	166	{
b5387528 RAV	167	return _hist_entry__dso_snprintf(self->ms.map, bf, size, width);
	168	}
	169
	170	static int _hist_entry__sym_snprintf(struct map map, struct symbol sym,
	171	u64 ip, char level, char *bf, size_t size,
	172	unsigned int width __used)
	173	{
	174	size_t ret = 0;
	175
	176	if (verbose) {
	177	char o = map ? dso__symtab_origin(map->dso) : '!';
	178	ret += repsep_snprintf(bf, size, "%-#*llx %c ",
	179	BITS_PER_LONG / 4, ip, o);
439d473b	180	}
dd68ada2	181
b5387528 RAV	182	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
	183	if (sym)
	184	ret += repsep_snprintf(bf + ret, size - ret, "%-*s",
	185	width - ret,
	186	sym->name);
	187	else {
	188	size_t len = BITS_PER_LONG / 4;
	189	ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
	190	len, ip);
	191	ret += repsep_snprintf(bf + ret, size - ret, "%-*s",
	192	width - ret, "");
	193	}
	194
	195	return ret;
dd68ada2 JK	196	}
dd68ada2 JK	197
b5387528	198
872a878f FW	199	struct sort_entry sort_dso = {
	200	.se_header = "Shared Object",
	201	.se_cmp = sort__dso_cmp,
	202	.se_snprintf = hist_entry__dso_snprintf,
	203	.se_width_idx = HISTC_DSO,
	204	};
	205
b5387528 RAV	206	static int hist_entry__sym_snprintf(struct hist_entry self, char bf,
	207	size_t size, unsigned int width __used)
	208	{
	209	return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip,
	210	self->level, bf, size, width);
	211	}
dd68ada2	212
b5387528	213	/* --sort symbol */
872a878f	214	static int64_t
dd68ada2 JK	215	sort__sym_cmp(struct hist_entry left, struct hist_entry right)
	216	{
	217	u64 ip_l, ip_r;
	218
6bb8f311 AB	219	if (!left->ms.sym && !right->ms.sym)
	220	return right->level - left->level;
	221
	222	if (!left->ms.sym \|\| !right->ms.sym)
	223	return cmp_null(left->ms.sym, right->ms.sym);
	224
59fd5306	225	if (left->ms.sym == right->ms.sym)
dd68ada2 JK	226	return 0;
dd68ada2 JK	227
6bb8f311 AB	228	ip_l = left->ms.sym->start;
6bb8f311 AB	229	ip_r = right->ms.sym->start;
dd68ada2	230
b5387528	231	return _sort__sym_cmp(left->ms.sym, right->ms.sym, ip_l, ip_r);
dd68ada2 JK	232	}
dd68ada2 JK	233
872a878f FW	234	struct sort_entry sort_sym = {
	235	.se_header = "Symbol",
	236	.se_cmp = sort__sym_cmp,
	237	.se_snprintf = hist_entry__sym_snprintf,
	238	.se_width_idx = HISTC_SYMBOL,
	239	};
dd68ada2 JK	240
	241	/* --sort parent */
	242
872a878f	243	static int64_t
dd68ada2 JK	244	sort__parent_cmp(struct hist_entry left, struct hist_entry right)
	245	{
	246	struct symbol *sym_l = left->parent;
	247	struct symbol *sym_r = right->parent;
	248
	249	if (!sym_l \|\| !sym_r)
	250	return cmp_null(sym_l, sym_r);
	251
	252	return strcmp(sym_l->name, sym_r->name);
	253	}
	254
a4e3b956 ACM	255	static int hist_entry__parent_snprintf(struct hist_entry self, char bf,
a4e3b956 ACM	256	size_t size, unsigned int width)
dd68ada2	257	{
a4e3b956	258	return repsep_snprintf(bf, size, "%-*s", width,
dd68ada2 JK	259	self->parent ? self->parent->name : "[other]");
	260	}
	261
872a878f FW	262	struct sort_entry sort_parent = {
	263	.se_header = "Parent symbol",
	264	.se_cmp = sort__parent_cmp,
	265	.se_snprintf = hist_entry__parent_snprintf,
	266	.se_width_idx = HISTC_PARENT,
	267	};
	268
f60f3593 AS	269	/* --sort cpu */
f60f3593 AS	270
872a878f	271	static int64_t
f60f3593 AS	272	sort__cpu_cmp(struct hist_entry left, struct hist_entry right)
	273	{
	274	return right->cpu - left->cpu;
	275	}
	276
	277	static int hist_entry__cpu_snprintf(struct hist_entry self, char bf,
	278	size_t size, unsigned int width)
	279	{
	280	return repsep_snprintf(bf, size, "%-*d", width, self->cpu);
	281	}
	282
872a878f FW	283	struct sort_entry sort_cpu = {
	284	.se_header = "CPU",
	285	.se_cmp = sort__cpu_cmp,
	286	.se_snprintf = hist_entry__cpu_snprintf,
	287	.se_width_idx = HISTC_CPU,
	288	};
	289
b5387528 RAV	290	static int64_t
	291	sort__dso_from_cmp(struct hist_entry left, struct hist_entry right)
	292	{
	293	return _sort__dso_cmp(left->branch_info->from.map,
	294	right->branch_info->from.map);
	295	}
	296
	297	static int hist_entry__dso_from_snprintf(struct hist_entry self, char bf,
	298	size_t size, unsigned int width)
	299	{
	300	return _hist_entry__dso_snprintf(self->branch_info->from.map,
	301	bf, size, width);
	302	}
	303
	304	struct sort_entry sort_dso_from = {
	305	.se_header = "Source Shared Object",
	306	.se_cmp = sort__dso_from_cmp,
	307	.se_snprintf = hist_entry__dso_from_snprintf,
	308	.se_width_idx = HISTC_DSO_FROM,
	309	};
	310
	311	static int64_t
	312	sort__dso_to_cmp(struct hist_entry left, struct hist_entry right)
	313	{
	314	return _sort__dso_cmp(left->branch_info->to.map,
	315	right->branch_info->to.map);
	316	}
	317
	318	static int hist_entry__dso_to_snprintf(struct hist_entry self, char bf,
	319	size_t size, unsigned int width)
	320	{
	321	return _hist_entry__dso_snprintf(self->branch_info->to.map,
	322	bf, size, width);
	323	}
	324
	325	static int64_t
	326	sort__sym_from_cmp(struct hist_entry left, struct hist_entry right)
	327	{
	328	struct addr_map_symbol *from_l = &left->branch_info->from;
	329	struct addr_map_symbol *from_r = &right->branch_info->from;
	330
	331	if (!from_l->sym && !from_r->sym)
	332	return right->level - left->level;
	333
	334	return _sort__sym_cmp(from_l->sym, from_r->sym, from_l->addr,
	335	from_r->addr);
	336	}
	337
	338	static int64_t
	339	sort__sym_to_cmp(struct hist_entry left, struct hist_entry right)
	340	{
	341	struct addr_map_symbol *to_l = &left->branch_info->to;
	342	struct addr_map_symbol *to_r = &right->branch_info->to;
	343
	344	if (!to_l->sym && !to_r->sym)
	345	return right->level - left->level;
	346
	347	return _sort__sym_cmp(to_l->sym, to_r->sym, to_l->addr, to_r->addr);
	348	}
	349
	350	static int hist_entry__sym_from_snprintf(struct hist_entry self, char bf,
	351	size_t size, unsigned int width __used)
	352	{
	353	struct addr_map_symbol *from = &self->branch_info->from;
354	return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
355	self->level, bf, size, width);
356
357	}
358
359	static int hist_entry__sym_to_snprintf(struct hist_entry self, char bf,
360	size_t size, unsigned int width __used)
361	{
362	struct addr_map_symbol *to = &self->branch_info->to;
363	return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
364	self->level, bf, size, width);
365
366	}
367
368	struct sort_entry sort_dso_to = {
369	.se_header = "Target Shared Object",
370	.se_cmp = sort__dso_to_cmp,
371	.se_snprintf = hist_entry__dso_to_snprintf,
372	.se_width_idx = HISTC_DSO_TO,
373	};
374
375	struct sort_entry sort_sym_from = {
376	.se_header = "Source Symbol",
377	.se_cmp = sort__sym_from_cmp,
378	.se_snprintf = hist_entry__sym_from_snprintf,
379	.se_width_idx = HISTC_SYMBOL_FROM,
380	};
381
382	struct sort_entry sort_sym_to = {
383	.se_header = "Target Symbol",
384	.se_cmp = sort__sym_to_cmp,
385	.se_snprintf = hist_entry__sym_to_snprintf,
386	.se_width_idx = HISTC_SYMBOL_TO,
387	};
388
389	static int64_t
390	sort__mispredict_cmp(struct hist_entry left, struct hist_entry right)
391	{
392	const unsigned char mp = left->branch_info->flags.mispred !=
393	right->branch_info->flags.mispred;
394	const unsigned char p = left->branch_info->flags.predicted !=
395	right->branch_info->flags.predicted;
396
397	return mp \|\| p;
398	}
399
400	static int hist_entry__mispredict_snprintf(struct hist_entry self, char bf,
401	size_t size, unsigned int width){
402	static const char *out = "N/A";
403
404	if (self->branch_info->flags.predicted)
405	out = "N";
406	else if (self->branch_info->flags.mispred)
407	out = "Y";
408
409	return repsep_snprintf(bf, size, "%-*s", width, out);
410	}
411
412	struct sort_entry sort_mispredict = {
413	.se_header = "Branch Mispredicted",
414	.se_cmp = sort__mispredict_cmp,
415	.se_snprintf = hist_entry__mispredict_snprintf,
416	.se_width_idx = HISTC_MISPREDICT,
417	};
418
872a878f FW	419	struct sort_dimension {
	420	const char *name;
	421	struct sort_entry *entry;
	422	int taken;
	423	};
	424
b5387528 RAV	425	#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
b5387528 RAV	426
872a878f	427	static struct sort_dimension sort_dimensions[] = {
b5387528 RAV	428	DIM(SORT_PID, "pid", sort_thread),
	429	DIM(SORT_COMM, "comm", sort_comm),
	430	DIM(SORT_DSO, "dso", sort_dso),
	431	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
	432	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
	433	DIM(SORT_SYM, "symbol", sort_sym),
	434	DIM(SORT_SYM_TO, "symbol_from", sort_sym_from),
	435	DIM(SORT_SYM_FROM, "symbol_to", sort_sym_to),
	436	DIM(SORT_PARENT, "parent", sort_parent),
	437	DIM(SORT_CPU, "cpu", sort_cpu),
	438	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
872a878f FW	439	};
872a878f FW	440
dd68ada2 JK	441	int sort_dimension__add(const char *tok)
	442	{
	443	unsigned int i;
	444
	445	for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
	446	struct sort_dimension *sd = &sort_dimensions[i];
	447
dd68ada2 JK	448	if (strncasecmp(tok, sd->name, strlen(tok)))
dd68ada2 JK	449	continue;
dd68ada2 JK	450	if (sd->entry == &sort_parent) {
	451	int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
	452	if (ret) {
	453	char err[BUFSIZ];
	454
	455	regerror(ret, &parent_regex, err, sizeof(err));
2aefa4f7 ACM	456	pr_err("Invalid regex: %s\n%s", parent_pattern, err);
2aefa4f7 ACM	457	return -EINVAL;
dd68ada2 JK	458	}
	459	sort__has_parent = 1;
	460	}
	461
fd8ea212 FW	462	if (sd->taken)
	463	return 0;
	464
	465	if (sd->entry->se_collapse)
	466	sort__need_collapse = 1;
	467
a4fb581b FW	468	if (list_empty(&hist_entry__sort_list)) {
	469	if (!strcmp(sd->name, "pid"))
	470	sort__first_dimension = SORT_PID;
	471	else if (!strcmp(sd->name, "comm"))
	472	sort__first_dimension = SORT_COMM;
	473	else if (!strcmp(sd->name, "dso"))
	474	sort__first_dimension = SORT_DSO;
	475	else if (!strcmp(sd->name, "symbol"))
	476	sort__first_dimension = SORT_SYM;
	477	else if (!strcmp(sd->name, "parent"))
	478	sort__first_dimension = SORT_PARENT;
f60f3593 AS	479	else if (!strcmp(sd->name, "cpu"))
f60f3593 AS	480	sort__first_dimension = SORT_CPU;
b5387528 RAV	481	else if (!strcmp(sd->name, "symbol_from"))
	482	sort__first_dimension = SORT_SYM_FROM;
	483	else if (!strcmp(sd->name, "symbol_to"))
	484	sort__first_dimension = SORT_SYM_TO;
	485	else if (!strcmp(sd->name, "dso_from"))
	486	sort__first_dimension = SORT_DSO_FROM;
	487	else if (!strcmp(sd->name, "dso_to"))
	488	sort__first_dimension = SORT_DSO_TO;
	489	else if (!strcmp(sd->name, "mispredict"))
	490	sort__first_dimension = SORT_MISPREDICT;
a4fb581b	491	}
af0a6fa4	492
dd68ada2 JK	493	list_add_tail(&sd->entry->list, &hist_entry__sort_list);
	494	sd->taken = 1;
	495
	496	return 0;
	497	}
dd68ada2 JK	498	return -ESRCH;
dd68ada2 JK	499	}
c8829c7a ACM	500
	501	void setup_sorting(const char * const usagestr[], const struct option *opts)
	502	{
	503	char tmp, tok, *str = strdup(sort_order);
	504
	505	for (tok = strtok_r(str, ", ", &tmp);
	506	tok; tok = strtok_r(NULL, ", ", &tmp)) {
	507	if (sort_dimension__add(tok) < 0) {
	508	error("Unknown --sort key: `%s'", tok);
	509	usage_with_options(usagestr, opts);
	510	}
	511	}
	512
	513	free(str);
	514	}
c351c281 ACM	515
	516	void sort_entry__setup_elide(struct sort_entry self, struct strlist list,
	517	const char list_name, FILE fp)
	518	{
	519	if (list && strlist__nr_entries(list) == 1) {
	520	if (fp != NULL)
	521	fprintf(fp, "# %s: %s\n", list_name,
	522	strlist__entry(list, 0)->s);
	523	self->elide = true;
	524	}
	525	}