Release 4.10 tools/perf/util/comm.c
#include "comm.h"
#include "util.h"
#include <stdlib.h>
#include <stdio.h>
#include <linux/atomic.h>
struct comm_str {
char *str;
struct rb_node rb_node;
atomic_t refcnt;
};
/* Should perhaps be moved to struct machine */
static struct rb_root comm_str_root;
static struct comm_str *comm_str__get(struct comm_str *cs)
{
if (cs)
atomic_inc(&cs->refcnt);
return cs;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 15 | 53.57% | 1 | 50.00% |
| frederic weisbecker | frederic weisbecker | 13 | 46.43% | 1 | 50.00% |
| Total | 28 | 100.00% | 2 | 100.00% |
static void comm_str__put(struct comm_str *cs)
{
if (cs && atomic_dec_and_test(&cs->refcnt)) {
rb_erase(&cs->rb_node, &comm_str_root);
zfree(&cs->str);
free(cs);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 40 | 81.63% | 1 | 33.33% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 9 | 18.37% | 2 | 66.67% |
| Total | 49 | 100.00% | 3 | 100.00% |
static struct comm_str *comm_str__alloc(const char *str)
{
struct comm_str *cs;
cs = zalloc(sizeof(*cs));
if (!cs)
return NULL;
cs->str = strdup(str);
if (!cs->str) {
free(cs);
return NULL;
}
atomic_set(&cs->refcnt, 0);
return cs;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 66 | 86.84% | 1 | 50.00% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 10 | 13.16% | 1 | 50.00% |
| Total | 76 | 100.00% | 2 | 100.00% |
static struct comm_str *comm_str__findnew(const char *str, struct rb_root *root)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
struct comm_str *iter, *new;
int cmp;
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct comm_str, rb_node);
cmp = strcmp(str, iter->str);
if (!cmp)
return iter;
if (cmp < 0)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
new = comm_str__alloc(str);
if (!new)
return NULL;
rb_link_node(&new->rb_node, parent, p);
rb_insert_color(&new->rb_node, root);
return new;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 159 | 100.00% | 1 | 100.00% |
| Total | 159 | 100.00% | 1 | 100.00% |
struct comm *comm__new(const char *str, u64 timestamp, bool exec)
{
struct comm *comm = zalloc(sizeof(*comm));
if (!comm)
return NULL;
comm->start = timestamp;
comm->exec = exec;
comm->comm_str = comm_str__findnew(str, &comm_str_root);
if (!comm->comm_str) {
free(comm);
return NULL;
}
comm_str__get(comm->comm_str);
return comm;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 82 | 90.11% | 1 | 50.00% |
| adrian hunter | adrian hunter | 9 | 9.89% | 1 | 50.00% |
| Total | 91 | 100.00% | 2 | 100.00% |
int comm__override(struct comm *comm, const char *str, u64 timestamp, bool exec)
{
struct comm_str *new, *old = comm->comm_str;
new = comm_str__findnew(str, &comm_str_root);
if (!new)
return -ENOMEM;
comm_str__get(new);
comm_str__put(old);
comm->comm_str = new;
comm->start = timestamp;
if (exec)
comm->exec = true;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| namhyung kim | namhyung kim | 50 | 57.47% | 1 | 33.33% |
| frederic weisbecker | frederic weisbecker | 24 | 27.59% | 1 | 33.33% |
| adrian hunter | adrian hunter | 13 | 14.94% | 1 | 33.33% |
| Total | 87 | 100.00% | 3 | 100.00% |
void comm__free(struct comm *comm)
{
comm_str__put(comm->comm_str);
free(comm);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
const char *comm__str(const struct comm *comm)
{
return comm->comm_str->str;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| frederic weisbecker | frederic weisbecker | 458 | 80.49% | 2 | 33.33% |
| namhyung kim | namhyung kim | 50 | 8.79% | 1 | 16.67% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 39 | 6.85% | 2 | 33.33% |
| adrian hunter | adrian hunter | 22 | 3.87% | 1 | 16.67% |
| Total | 569 | 100.00% | 6 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.