forked from Minki/linux
perf probe: Cleanup messages
Add new lines for error or debug messages, change dwarf related words to more generic words (or just removed). Cc: 2nddept-manager@sdl.hitachi.co.jp Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20101217131211.24123.40437.stgit@ltc236.sdl.hitachi.co.jp> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
ec5761eab3
commit
0e43e5d222
@ -95,7 +95,7 @@ static int init_vmlinux(void)
|
||||
goto out;
|
||||
|
||||
if (machine__create_kernel_maps(&machine) < 0) {
|
||||
pr_debug("machine__create_kernel_maps ");
|
||||
pr_debug("machine__create_kernel_maps() failed.\n");
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
@ -140,7 +140,8 @@ static int open_vmlinux(const char *module)
|
||||
{
|
||||
const char *path = kernel_get_module_path(module);
|
||||
if (!path) {
|
||||
pr_err("Failed to find path of %s module", module ?: "kernel");
|
||||
pr_err("Failed to find path of %s module.\n",
|
||||
module ?: "kernel");
|
||||
return -ENOENT;
|
||||
}
|
||||
pr_debug("Try to open %s\n", path);
|
||||
@ -217,7 +218,7 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
|
||||
pr_warning("Warning: No dwarf info found in the vmlinux - "
|
||||
"please rebuild kernel with CONFIG_DEBUG_INFO=y.\n");
|
||||
if (!need_dwarf) {
|
||||
pr_debug("Trying to use symbols.\nn");
|
||||
pr_debug("Trying to use symbols.\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
@ -457,7 +458,7 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs,
|
||||
|
||||
fd = open_vmlinux(module);
|
||||
if (fd < 0) {
|
||||
pr_warning("Failed to open debuginfo file.\n");
|
||||
pr_warning("Failed to open debug information file.\n");
|
||||
return fd;
|
||||
}
|
||||
|
||||
@ -690,39 +691,40 @@ static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev)
|
||||
|
||||
/* Exclusion check */
|
||||
if (pp->lazy_line && pp->line) {
|
||||
semantic_error("Lazy pattern can't be used with line number.");
|
||||
semantic_error("Lazy pattern can't be used with"
|
||||
" line number.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (pp->lazy_line && pp->offset) {
|
||||
semantic_error("Lazy pattern can't be used with offset.");
|
||||
semantic_error("Lazy pattern can't be used with offset.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (pp->line && pp->offset) {
|
||||
semantic_error("Offset can't be used with line number.");
|
||||
semantic_error("Offset can't be used with line number.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!pp->line && !pp->lazy_line && pp->file && !pp->function) {
|
||||
semantic_error("File always requires line number or "
|
||||
"lazy pattern.");
|
||||
"lazy pattern.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (pp->offset && !pp->function) {
|
||||
semantic_error("Offset requires an entry function.");
|
||||
semantic_error("Offset requires an entry function.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (pp->retprobe && !pp->function) {
|
||||
semantic_error("Return probe requires an entry function.");
|
||||
semantic_error("Return probe requires an entry function.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if ((pp->offset || pp->line || pp->lazy_line) && pp->retprobe) {
|
||||
semantic_error("Offset/Line/Lazy pattern can't be used with "
|
||||
"return probe.");
|
||||
"return probe.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
@ -996,7 +998,7 @@ int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, size_t len)
|
||||
|
||||
return tmp - buf;
|
||||
error:
|
||||
pr_debug("Failed to synthesize perf probe argument: %s",
|
||||
pr_debug("Failed to synthesize perf probe argument: %s\n",
|
||||
strerror(-ret));
|
||||
return ret;
|
||||
}
|
||||
@ -1046,7 +1048,7 @@ static char *synthesize_perf_probe_point(struct perf_probe_point *pp)
|
||||
|
||||
return buf;
|
||||
error:
|
||||
pr_debug("Failed to synthesize perf probe point: %s",
|
||||
pr_debug("Failed to synthesize perf probe point: %s\n",
|
||||
strerror(-ret));
|
||||
if (buf)
|
||||
free(buf);
|
||||
@ -1787,7 +1789,7 @@ static int del_trace_probe_event(int fd, const char *group,
|
||||
|
||||
ret = e_snprintf(buf, 128, "%s:%s", group, event);
|
||||
if (ret < 0) {
|
||||
pr_err("Failed to copy event.");
|
||||
pr_err("Failed to copy event.\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
@ -627,8 +627,8 @@ static_var:
|
||||
regs = get_arch_regstr(regn);
|
||||
if (!regs) {
|
||||
/* This should be a bug in DWARF or this tool */
|
||||
pr_warning("Mapping for DWARF register number %u "
|
||||
"missing on this architecture.", regn);
|
||||
pr_warning("Mapping for the register number %u "
|
||||
"missing on this architecture.\n", regn);
|
||||
return -ERANGE;
|
||||
}
|
||||
|
||||
@ -674,13 +674,14 @@ static int convert_variable_type(Dwarf_Die *vr_die,
|
||||
if (ret != DW_TAG_pointer_type &&
|
||||
ret != DW_TAG_array_type) {
|
||||
pr_warning("Failed to cast into string: "
|
||||
"%s(%s) is not a pointer nor array.",
|
||||
"%s(%s) is not a pointer nor array.\n",
|
||||
dwarf_diename(vr_die), dwarf_diename(&type));
|
||||
return -EINVAL;
|
||||
}
|
||||
if (ret == DW_TAG_pointer_type) {
|
||||
if (die_get_real_type(&type, &type) == NULL) {
|
||||
pr_warning("Failed to get a type information.");
|
||||
pr_warning("Failed to get a type"
|
||||
" information.\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
while (*ref_ptr)
|
||||
@ -695,7 +696,7 @@ static int convert_variable_type(Dwarf_Die *vr_die,
|
||||
if (!die_compare_name(&type, "char") &&
|
||||
!die_compare_name(&type, "unsigned char")) {
|
||||
pr_warning("Failed to cast into string: "
|
||||
"%s is not (unsigned) char *.",
|
||||
"%s is not (unsigned) char *.\n",
|
||||
dwarf_diename(vr_die));
|
||||
return -EINVAL;
|
||||
}
|
||||
@ -805,8 +806,8 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
|
||||
return -EINVAL;
|
||||
}
|
||||
if (field->name[0] == '[') {
|
||||
pr_err("Semantic error: %s is not a pointor nor array.",
|
||||
varname);
|
||||
pr_err("Semantic error: %s is not a pointor"
|
||||
" nor array.\n", varname);
|
||||
return -EINVAL;
|
||||
}
|
||||
if (field->ref) {
|
||||
@ -953,7 +954,7 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwarf_Addr paddr,
|
||||
name = dwarf_diename(sp_die);
|
||||
if (name) {
|
||||
if (dwarf_entrypc(sp_die, &eaddr) != 0) {
|
||||
pr_warning("Failed to get entry pc of %s\n",
|
||||
pr_warning("Failed to get entry address of %s\n",
|
||||
dwarf_diename(sp_die));
|
||||
return -ENOENT;
|
||||
}
|
||||
@ -969,7 +970,7 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwarf_Addr paddr,
|
||||
if (retprobe) {
|
||||
if (eaddr != paddr) {
|
||||
pr_warning("Return probe must be on the head of"
|
||||
" a real function\n");
|
||||
" a real function.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
tp->retprobe = true;
|
||||
@ -1008,7 +1009,7 @@ static int call_probe_finder(Dwarf_Die *sp_die, struct probe_finder *pf)
|
||||
Dwarf_Frame *frame;
|
||||
if (dwarf_cfi_addrframe(pf->cfi, pf->addr, &frame) != 0 ||
|
||||
dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) {
|
||||
pr_warning("Failed to get CFA on 0x%jx\n",
|
||||
pr_warning("Failed to get call frame on 0x%jx\n",
|
||||
(uintmax_t)pf->addr);
|
||||
return -ENOENT;
|
||||
}
|
||||
@ -1035,7 +1036,7 @@ static int find_probe_point_by_line(struct probe_finder *pf)
|
||||
int ret = 0;
|
||||
|
||||
if (dwarf_getsrclines(&pf->cu_die, &lines, &nlines) != 0) {
|
||||
pr_warning("No source lines found in this CU.\n");
|
||||
pr_warning("No source lines found.\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
@ -1137,7 +1138,7 @@ static int find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf)
|
||||
}
|
||||
|
||||
if (dwarf_getsrclines(&pf->cu_die, &lines, &nlines) != 0) {
|
||||
pr_warning("No source lines found in this CU.\n");
|
||||
pr_warning("No source lines found.\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
@ -1195,7 +1196,7 @@ static int probe_point_inline_cb(Dwarf_Die *in_die, void *data)
|
||||
else {
|
||||
/* Get probe address */
|
||||
if (dwarf_entrypc(in_die, &addr) != 0) {
|
||||
pr_warning("Failed to get entry pc of %s.\n",
|
||||
pr_warning("Failed to get entry address of %s.\n",
|
||||
dwarf_diename(in_die));
|
||||
param->retval = -ENOENT;
|
||||
return DWARF_CB_ABORT;
|
||||
@ -1236,8 +1237,8 @@ static int probe_point_search_cb(Dwarf_Die *sp_die, void *data)
|
||||
param->retval = find_probe_point_lazy(sp_die, pf);
|
||||
else {
|
||||
if (dwarf_entrypc(sp_die, &pf->addr) != 0) {
|
||||
pr_warning("Failed to get entry pc of %s.\n",
|
||||
dwarf_diename(sp_die));
|
||||
pr_warning("Failed to get entry address of "
|
||||
"%s.\n", dwarf_diename(sp_die));
|
||||
param->retval = -ENOENT;
|
||||
return DWARF_CB_ABORT;
|
||||
}
|
||||
@ -1279,7 +1280,7 @@ static int find_probes(int fd, struct probe_finder *pf)
|
||||
|
||||
dbg = dwfl_init_offline_dwarf(fd, &dwfl, &bias);
|
||||
if (!dbg) {
|
||||
pr_warning("No dwarf info found in the vmlinux - "
|
||||
pr_warning("No debug information found in the vmlinux - "
|
||||
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
|
||||
return -EBADF;
|
||||
}
|
||||
@ -1524,7 +1525,7 @@ int find_perf_probe_point(unsigned long addr, struct perf_probe_point *ppt)
|
||||
/* Open the live linux kernel */
|
||||
dbg = dwfl_init_live_kernel_dwarf(addr, &dwfl, &bias);
|
||||
if (!dbg) {
|
||||
pr_warning("No dwarf info found in the vmlinux - "
|
||||
pr_warning("No debug information found in the vmlinux - "
|
||||
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
|
||||
ret = -EINVAL;
|
||||
goto end;
|
||||
@ -1534,7 +1535,8 @@ int find_perf_probe_point(unsigned long addr, struct perf_probe_point *ppt)
|
||||
addr += bias;
|
||||
/* Find cu die */
|
||||
if (!dwarf_addrdie(dbg, (Dwarf_Addr)addr - bias, &cudie)) {
|
||||
pr_warning("No CU DIE is found at %lx\n", addr);
|
||||
pr_warning("Failed to find debug information for address %lx\n",
|
||||
addr);
|
||||
ret = -EINVAL;
|
||||
goto end;
|
||||
}
|
||||
@ -1659,7 +1661,7 @@ static int find_line_range_by_line(Dwarf_Die *sp_die, struct line_finder *lf)
|
||||
|
||||
line_list__init(&lf->lr->line_list);
|
||||
if (dwarf_getsrclines(&lf->cu_die, &lines, &nlines) != 0) {
|
||||
pr_warning("No source lines found in this CU.\n");
|
||||
pr_warning("No source lines found.\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
@ -1784,7 +1786,7 @@ int find_line_range(int fd, struct line_range *lr)
|
||||
|
||||
dbg = dwfl_init_offline_dwarf(fd, &dwfl, &bias);
|
||||
if (!dbg) {
|
||||
pr_warning("No dwarf info found in the vmlinux - "
|
||||
pr_warning("No debug information found in the vmlinux - "
|
||||
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
|
||||
return -EBADF;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user