mirror of https://gitee.com/openkylin/linux.git
perf probe: Print debug messages using pr_*()
Use the new pr_{err,warning,debug,etc} printout methods, just like in the kernel. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Masami Hiramatsu <mhiramat@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Galbraith <efault@gmx.de> LKML-Reference: <1256153646-10097-1-git-send-email-acme@redhat.com> [ Split this patch out, to keep perf/probes separate. ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -78,7 +78,7 @@ static int parse_probepoint(const struct option *opt __used,
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if (!str) /* The end of probe points */
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return 0;
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eprintf("probe-definition(%d): %s\n", session.nr_probe, str);
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pr_debug("probe-definition(%d): %s\n", session.nr_probe, str);
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if (++session.nr_probe == MAX_PROBES)
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semantic_error("Too many probes");
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@ -103,7 +103,7 @@ static int parse_probepoint(const struct option *opt __used,
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die("strndup");
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if (++argc == MAX_PROBE_ARGS)
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semantic_error("Too many arguments");
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eprintf("argv[%d]=%s\n", argc, argv[argc - 1]);
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pr_debug("argv[%d]=%s\n", argc, argv[argc - 1]);
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}
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} while (*str != '\0');
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if (argc < 2)
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@ -133,7 +133,7 @@ static int parse_probepoint(const struct option *opt __used,
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pp->line = atoi(ptr);
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if (!pp->file || !pp->line)
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semantic_error("Failed to parse line.");
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eprintf("file:%s line:%d\n", pp->file, pp->line);
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pr_debug("file:%s line:%d\n", pp->file, pp->line);
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} else {
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/* Function name */
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ptr = strchr(arg, '+');
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@ -150,8 +150,8 @@ static int parse_probepoint(const struct option *opt __used,
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pp->file = strdup(ptr);
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}
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pp->function = strdup(arg);
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eprintf("symbol:%s file:%s offset:%d\n",
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pp->function, pp->file, pp->offset);
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pr_debug("symbol:%s file:%s offset:%d\n",
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pp->function, pp->file, pp->offset);
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}
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free(argv[1]);
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if (pp->file)
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@ -175,7 +175,7 @@ static int parse_probepoint(const struct option *opt __used,
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session.need_dwarf = 1;
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}
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eprintf("%d arguments\n", pp->nr_args);
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pr_debug("%d arguments\n", pp->nr_args);
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return 0;
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}
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@ -188,7 +188,7 @@ static int open_default_vmlinux(void)
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ret = uname(&uts);
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if (ret) {
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eprintf("uname() failed.\n");
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pr_debug("uname() failed.\n");
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return -errno;
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}
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session.release = uts.release;
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@ -196,12 +196,12 @@ static int open_default_vmlinux(void)
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ret = snprintf(fname, MAX_PATH_LEN,
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default_search_path[i], session.release);
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if (ret >= MAX_PATH_LEN || ret < 0) {
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eprintf("Filename(%d,%s) is too long.\n", i,
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pr_debug("Filename(%d,%s) is too long.\n", i,
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uts.release);
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errno = E2BIG;
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return -E2BIG;
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}
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eprintf("try to open %s\n", fname);
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pr_debug("try to open %s\n", fname);
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fd = open(fname, O_RDONLY);
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if (fd >= 0)
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break;
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@ -341,7 +341,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
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ret = find_probepoint(fd, pp);
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if (ret <= 0)
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die("No probe point found.\n");
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eprintf("probe event %s found\n", session.events[j]);
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pr_debug("probe event %s found\n", session.events[j]);
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}
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close(fd);
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@ -136,7 +136,7 @@ static Dwarf_Unsigned die_get_fileno(Dwarf_Die cu_die, const char *fname)
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dwarf_dealloc(__dw_debug, srcs, DW_DLA_LIST);
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}
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if (found)
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eprintf("found fno: %d\n", (int)found);
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pr_debug("found fno: %d\n", (int)found);
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return found;
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}
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@ -442,7 +442,7 @@ static void find_variable(Dwarf_Die sp_die, struct probe_finder *pf)
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return ;
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}
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eprintf("Searching '%s' variable in context.\n", pf->var);
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pr_debug("Searching '%s' variable in context.\n", pf->var);
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/* Search child die for local variables and parameters. */
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ret = search_die_from_children(sp_die, variable_callback, pf);
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if (!ret)
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@ -552,7 +552,7 @@ static void find_by_line(Dwarf_Die cu_die, struct probe_finder *pf)
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ret = dwarf_lineaddr(lines[i], &addr, &__dw_error);
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DIE_IF(ret != DW_DLV_OK);
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eprintf("Probe point found: 0x%llx\n", addr);
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pr_debug("Probe point found: 0x%llx\n", addr);
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pf->addr = addr;
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/* Search a real subprogram including this line, */
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ret = search_die_from_children(cu_die, probeaddr_callback, pf);
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@ -583,8 +583,8 @@ static int probefunc_callback(struct die_link *dlink, void *data)
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&pf->inl_offs,
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&__dw_error);
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DIE_IF(ret != DW_DLV_OK);
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eprintf("inline definition offset %lld\n",
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pf->inl_offs);
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pr_debug("inline definition offset %lld\n",
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pf->inl_offs);
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return 0;
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}
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/* Get probe address */
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@ -599,7 +599,7 @@ static int probefunc_callback(struct die_link *dlink, void *data)
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/* Get probe address */
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pf->addr = die_get_entrypc(dlink->die);
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pf->addr += pp->offset;
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eprintf("found inline addr: 0x%llx\n", pf->addr);
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pr_debug("found inline addr: 0x%llx\n", pf->addr);
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/* Inlined function. Get a real subprogram */
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for (lk = dlink->parent; lk != NULL; lk = lk->parent) {
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tag = 0;
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