diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/probe-event.c | 30 | ||||
| -rw-r--r-- | tools/perf/util/probe-finder.c | 42 |
2 files changed, 38 insertions, 34 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 3b6a5297bf1..089d78ecbdd 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c | |||
| @@ -95,7 +95,7 @@ static int init_vmlinux(void) | |||
| 95 | goto out; | 95 | goto out; |
| 96 | 96 | ||
| 97 | if (machine__create_kernel_maps(&machine) < 0) { | 97 | if (machine__create_kernel_maps(&machine) < 0) { |
| 98 | pr_debug("machine__create_kernel_maps "); | 98 | pr_debug("machine__create_kernel_maps() failed.\n"); |
| 99 | goto out; | 99 | goto out; |
| 100 | } | 100 | } |
| 101 | out: | 101 | out: |
| @@ -140,7 +140,8 @@ static int open_vmlinux(const char *module) | |||
| 140 | { | 140 | { |
| 141 | const char *path = kernel_get_module_path(module); | 141 | const char *path = kernel_get_module_path(module); |
| 142 | if (!path) { | 142 | if (!path) { |
| 143 | pr_err("Failed to find path of %s module", module ?: "kernel"); | 143 | pr_err("Failed to find path of %s module.\n", |
| 144 | module ?: "kernel"); | ||
| 144 | return -ENOENT; | 145 | return -ENOENT; |
| 145 | } | 146 | } |
| 146 | pr_debug("Try to open %s\n", path); | 147 | 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, | |||
| 217 | pr_warning("Warning: No dwarf info found in the vmlinux - " | 218 | pr_warning("Warning: No dwarf info found in the vmlinux - " |
| 218 | "please rebuild kernel with CONFIG_DEBUG_INFO=y.\n"); | 219 | "please rebuild kernel with CONFIG_DEBUG_INFO=y.\n"); |
| 219 | if (!need_dwarf) { | 220 | if (!need_dwarf) { |
| 220 | pr_debug("Trying to use symbols.\nn"); | 221 | pr_debug("Trying to use symbols.\n"); |
| 221 | return 0; | 222 | return 0; |
| 222 | } | 223 | } |
| 223 | } | 224 | } |
| @@ -457,7 +458,7 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs, | |||
| 457 | 458 | ||
| 458 | fd = open_vmlinux(module); | 459 | fd = open_vmlinux(module); |
| 459 | if (fd < 0) { | 460 | if (fd < 0) { |
| 460 | pr_warning("Failed to open debuginfo file.\n"); | 461 | pr_warning("Failed to open debug information file.\n"); |
| 461 | return fd; | 462 | return fd; |
| 462 | } | 463 | } |
| 463 | 464 | ||
| @@ -690,39 +691,40 @@ static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev) | |||
| 690 | 691 | ||
| 691 | /* Exclusion check */ | 692 | /* Exclusion check */ |
| 692 | if (pp->lazy_line && pp->line) { | 693 | if (pp->lazy_line && pp->line) { |
| 693 | semantic_error("Lazy pattern can't be used with line number."); | 694 | semantic_error("Lazy pattern can't be used with" |
| 695 | " line number.\n"); | ||
| 694 | return -EINVAL; | 696 | return -EINVAL; |
| 695 | } | 697 | } |
| 696 | 698 | ||
| 697 | if (pp->lazy_line && pp->offset) { | 699 | if (pp->lazy_line && pp->offset) { |
| 698 | semantic_error("Lazy pattern can't be used with offset."); | 700 | semantic_error("Lazy pattern can't be used with offset.\n"); |
| 699 | return -EINVAL; | 701 | return -EINVAL; |
| 700 | } | 702 | } |
| 701 | 703 | ||
| 702 | if (pp->line && pp->offset) { | 704 | if (pp->line && pp->offset) { |
| 703 | semantic_error("Offset can't be used with line number."); | 705 | semantic_error("Offset can't be used with line number.\n"); |
| 704 | return -EINVAL; | 706 | return -EINVAL; |
| 705 | } | 707 | } |
| 706 | 708 | ||
| 707 | if (!pp->line && !pp->lazy_line && pp->file && !pp->function) { | 709 | if (!pp->line && !pp->lazy_line && pp->file && !pp->function) { |
| 708 | semantic_error("File always requires line number or " | 710 | semantic_error("File always requires line number or " |
| 709 | "lazy pattern."); | 711 | "lazy pattern.\n"); |
| 710 | return -EINVAL; | 712 | return -EINVAL; |
| 711 | } | 713 | } |
| 712 | 714 | ||
| 713 | if (pp->offset && !pp->function) { | 715 | if (pp->offset && !pp->function) { |
| 714 | semantic_error("Offset requires an entry function."); | 716 | semantic_error("Offset requires an entry function.\n"); |
| 715 | return -EINVAL; | 717 | return -EINVAL; |
| 716 | } | 718 | } |
| 717 | 719 | ||
| 718 | if (pp->retprobe && !pp->function) { | 720 | if (pp->retprobe && !pp->function) { |
| 719 | semantic_error("Return probe requires an entry function."); | 721 | semantic_error("Return probe requires an entry function.\n"); |
| 720 | return -EINVAL; | 722 | return -EINVAL; |
| 721 | } | 723 | } |
| 722 | 724 | ||
| 723 | if ((pp->offset || pp->line || pp->lazy_line) && pp->retprobe) { | 725 | if ((pp->offset || pp->line || pp->lazy_line) && pp->retprobe) { |
| 724 | semantic_error("Offset/Line/Lazy pattern can't be used with " | 726 | semantic_error("Offset/Line/Lazy pattern can't be used with " |
| 725 | "return probe."); | 727 | "return probe.\n"); |
| 726 | return -EINVAL; | 728 | return -EINVAL; |
| 727 | } | 729 | } |
| 728 | 730 | ||
| @@ -996,7 +998,7 @@ int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, size_t len) | |||
| 996 | 998 | ||
| 997 | return tmp - buf; | 999 | return tmp - buf; |
| 998 | error: | 1000 | error: |
| 999 | pr_debug("Failed to synthesize perf probe argument: %s", | 1001 | pr_debug("Failed to synthesize perf probe argument: %s\n", |
| 1000 | strerror(-ret)); | 1002 | strerror(-ret)); |
| 1001 | return ret; | 1003 | return ret; |
| 1002 | } | 1004 | } |
| @@ -1046,7 +1048,7 @@ static char *synthesize_perf_probe_point(struct perf_probe_point *pp) | |||
| 1046 | 1048 | ||
| 1047 | return buf; | 1049 | return buf; |
| 1048 | error: | 1050 | error: |
| 1049 | pr_debug("Failed to synthesize perf probe point: %s", | 1051 | pr_debug("Failed to synthesize perf probe point: %s\n", |
| 1050 | strerror(-ret)); | 1052 | strerror(-ret)); |
| 1051 | if (buf) | 1053 | if (buf) |
| 1052 | free(buf); | 1054 | free(buf); |
| @@ -1787,7 +1789,7 @@ static int del_trace_probe_event(int fd, const char *group, | |||
| 1787 | 1789 | ||
| 1788 | ret = e_snprintf(buf, 128, "%s:%s", group, event); | 1790 | ret = e_snprintf(buf, 128, "%s:%s", group, event); |
| 1789 | if (ret < 0) { | 1791 | if (ret < 0) { |
| 1790 | pr_err("Failed to copy event."); | 1792 | pr_err("Failed to copy event.\n"); |
| 1791 | return ret; | 1793 | return ret; |
| 1792 | } | 1794 | } |
| 1793 | 1795 | ||
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 3991d73d1cf..90b629226bd 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c | |||
| @@ -627,8 +627,8 @@ static_var: | |||
| 627 | regs = get_arch_regstr(regn); | 627 | regs = get_arch_regstr(regn); |
| 628 | if (!regs) { | 628 | if (!regs) { |
| 629 | /* This should be a bug in DWARF or this tool */ | 629 | /* This should be a bug in DWARF or this tool */ |
| 630 | pr_warning("Mapping for DWARF register number %u " | 630 | pr_warning("Mapping for the register number %u " |
| 631 | "missing on this architecture.", regn); | 631 | "missing on this architecture.\n", regn); |
| 632 | return -ERANGE; | 632 | return -ERANGE; |
| 633 | } | 633 | } |
| 634 | 634 | ||
| @@ -674,13 +674,14 @@ static int convert_variable_type(Dwarf_Die *vr_die, | |||
| 674 | if (ret != DW_TAG_pointer_type && | 674 | if (ret != DW_TAG_pointer_type && |
| 675 | ret != DW_TAG_array_type) { | 675 | ret != DW_TAG_array_type) { |
| 676 | pr_warning("Failed to cast into string: " | 676 | pr_warning("Failed to cast into string: " |
| 677 | "%s(%s) is not a pointer nor array.", | 677 | "%s(%s) is not a pointer nor array.\n", |
| 678 | dwarf_diename(vr_die), dwarf_diename(&type)); | 678 | dwarf_diename(vr_die), dwarf_diename(&type)); |
| 679 | return -EINVAL; | 679 | return -EINVAL; |
| 680 | } | 680 | } |
| 681 | if (ret == DW_TAG_pointer_type) { | 681 | if (ret == DW_TAG_pointer_type) { |
| 682 | if (die_get_real_type(&type, &type) == NULL) { | 682 | if (die_get_real_type(&type, &type) == NULL) { |
| 683 | pr_warning("Failed to get a type information."); | 683 | pr_warning("Failed to get a type" |
| 684 | " information.\n"); | ||
| 684 | return -ENOENT; | 685 | return -ENOENT; |
| 685 | } | 686 | } |
| 686 | while (*ref_ptr) | 687 | while (*ref_ptr) |
| @@ -695,7 +696,7 @@ static int convert_variable_type(Dwarf_Die *vr_die, | |||
| 695 | if (!die_compare_name(&type, "char") && | 696 | if (!die_compare_name(&type, "char") && |
| 696 | !die_compare_name(&type, "unsigned char")) { | 697 | !die_compare_name(&type, "unsigned char")) { |
| 697 | pr_warning("Failed to cast into string: " | 698 | pr_warning("Failed to cast into string: " |
| 698 | "%s is not (unsigned) char *.", | 699 | "%s is not (unsigned) char *.\n", |
| 699 | dwarf_diename(vr_die)); | 700 | dwarf_diename(vr_die)); |
| 700 | return -EINVAL; | 701 | return -EINVAL; |
| 701 | } | 702 | } |
| @@ -805,8 +806,8 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname, | |||
| 805 | return -EINVAL; | 806 | return -EINVAL; |
| 806 | } | 807 | } |
| 807 | if (field->name[0] == '[') { | 808 | if (field->name[0] == '[') { |
| 808 | pr_err("Semantic error: %s is not a pointor nor array.", | 809 | pr_err("Semantic error: %s is not a pointor" |
| 809 | varname); | 810 | " nor array.\n", varname); |
| 810 | return -EINVAL; | 811 | return -EINVAL; |
| 811 | } | 812 | } |
| 812 | if (field->ref) { | 813 | if (field->ref) { |
| @@ -953,7 +954,7 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwarf_Addr paddr, | |||
| 953 | name = dwarf_diename(sp_die); | 954 | name = dwarf_diename(sp_die); |
| 954 | if (name) { | 955 | if (name) { |
| 955 | if (dwarf_entrypc(sp_die, &eaddr) != 0) { | 956 | if (dwarf_entrypc(sp_die, &eaddr) != 0) { |
| 956 | pr_warning("Failed to get entry pc of %s\n", | 957 | pr_warning("Failed to get entry address of %s\n", |
| 957 | dwarf_diename(sp_die)); | 958 | dwarf_diename(sp_die)); |
| 958 | return -ENOENT; | 959 | return -ENOENT; |
| 959 | } | 960 | } |
| @@ -969,7 +970,7 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwarf_Addr paddr, | |||
| 969 | if (retprobe) { | 970 | if (retprobe) { |
| 970 | if (eaddr != paddr) { | 971 | if (eaddr != paddr) { |
| 971 | pr_warning("Return probe must be on the head of" | 972 | pr_warning("Return probe must be on the head of" |
| 972 | " a real function\n"); | 973 | " a real function.\n"); |
| 973 | return -EINVAL; | 974 | return -EINVAL; |
| 974 | } | 975 | } |
| 975 | tp->retprobe = true; | 976 | tp->retprobe = true; |
| @@ -1008,7 +1009,7 @@ static int call_probe_finder(Dwarf_Die *sp_die, struct probe_finder *pf) | |||
| 1008 | Dwarf_Frame *frame; | 1009 | Dwarf_Frame *frame; |
| 1009 | if (dwarf_cfi_addrframe(pf->cfi, pf->addr, &frame) != 0 || | 1010 | if (dwarf_cfi_addrframe(pf->cfi, pf->addr, &frame) != 0 || |
| 1010 | dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) { | 1011 | dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) { |
| 1011 | pr_warning("Failed to get CFA on 0x%jx\n", | 1012 | pr_warning("Failed to get call frame on 0x%jx\n", |
| 1012 | (uintmax_t)pf->addr); | 1013 | (uintmax_t)pf->addr); |
| 1013 | return -ENOENT; | 1014 | return -ENOENT; |
| 1014 | } | 1015 | } |
| @@ -1035,7 +1036,7 @@ static int find_probe_point_by_line(struct probe_finder *pf) | |||
| 1035 | int ret = 0; | 1036 | int ret = 0; |
| 1036 | 1037 | ||
| 1037 | if (dwarf_getsrclines(&pf->cu_die, &lines, &nlines) != 0) { | 1038 | if (dwarf_getsrclines(&pf->cu_die, &lines, &nlines) != 0) { |
| 1038 | pr_warning("No source lines found in this CU.\n"); | 1039 | pr_warning("No source lines found.\n"); |
| 1039 | return -ENOENT; | 1040 | return -ENOENT; |
| 1040 | } | 1041 | } |
| 1041 | 1042 | ||
| @@ -1137,7 +1138,7 @@ static int find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf) | |||
| 1137 | } | 1138 | } |
| 1138 | 1139 | ||
| 1139 | if (dwarf_getsrclines(&pf->cu_die, &lines, &nlines) != 0) { | 1140 | if (dwarf_getsrclines(&pf->cu_die, &lines, &nlines) != 0) { |
| 1140 | pr_warning("No source lines found in this CU.\n"); | 1141 | pr_warning("No source lines found.\n"); |
| 1141 | return -ENOENT; | 1142 | return -ENOENT; |
| 1142 | } | 1143 | } |
| 1143 | 1144 | ||
| @@ -1195,7 +1196,7 @@ static int probe_point_inline_cb(Dwarf_Die *in_die, void *data) | |||
| 1195 | else { | 1196 | else { |
| 1196 | /* Get probe address */ | 1197 | /* Get probe address */ |
| 1197 | if (dwarf_entrypc(in_die, &addr) != 0) { | 1198 | if (dwarf_entrypc(in_die, &addr) != 0) { |
| 1198 | pr_warning("Failed to get entry pc of %s.\n", | 1199 | pr_warning("Failed to get entry address of %s.\n", |
| 1199 | dwarf_diename(in_die)); | 1200 | dwarf_diename(in_die)); |
| 1200 | param->retval = -ENOENT; | 1201 | param->retval = -ENOENT; |
| 1201 | return DWARF_CB_ABORT; | 1202 | return DWARF_CB_ABORT; |
| @@ -1236,8 +1237,8 @@ static int probe_point_search_cb(Dwarf_Die *sp_die, void *data) | |||
| 1236 | param->retval = find_probe_point_lazy(sp_die, pf); | 1237 | param->retval = find_probe_point_lazy(sp_die, pf); |
| 1237 | else { | 1238 | else { |
| 1238 | if (dwarf_entrypc(sp_die, &pf->addr) != 0) { | 1239 | if (dwarf_entrypc(sp_die, &pf->addr) != 0) { |
| 1239 | pr_warning("Failed to get entry pc of %s.\n", | 1240 | pr_warning("Failed to get entry address of " |
| 1240 | dwarf_diename(sp_die)); | 1241 | "%s.\n", dwarf_diename(sp_die)); |
| 1241 | param->retval = -ENOENT; | 1242 | param->retval = -ENOENT; |
| 1242 | return DWARF_CB_ABORT; | 1243 | return DWARF_CB_ABORT; |
| 1243 | } | 1244 | } |
| @@ -1279,7 +1280,7 @@ static int find_probes(int fd, struct probe_finder *pf) | |||
| 1279 | 1280 | ||
| 1280 | dbg = dwfl_init_offline_dwarf(fd, &dwfl, &bias); | 1281 | dbg = dwfl_init_offline_dwarf(fd, &dwfl, &bias); |
| 1281 | if (!dbg) { | 1282 | if (!dbg) { |
| 1282 | pr_warning("No dwarf info found in the vmlinux - " | 1283 | pr_warning("No debug information found in the vmlinux - " |
| 1283 | "please rebuild with CONFIG_DEBUG_INFO=y.\n"); | 1284 | "please rebuild with CONFIG_DEBUG_INFO=y.\n"); |
| 1284 | return -EBADF; | 1285 | return -EBADF; |
| 1285 | } | 1286 | } |
| @@ -1524,7 +1525,7 @@ int find_perf_probe_point(unsigned long addr, struct perf_probe_point *ppt) | |||
| 1524 | /* Open the live linux kernel */ | 1525 | /* Open the live linux kernel */ |
| 1525 | dbg = dwfl_init_live_kernel_dwarf(addr, &dwfl, &bias); | 1526 | dbg = dwfl_init_live_kernel_dwarf(addr, &dwfl, &bias); |
| 1526 | if (!dbg) { | 1527 | if (!dbg) { |
| 1527 | pr_warning("No dwarf info found in the vmlinux - " | 1528 | pr_warning("No debug information found in the vmlinux - " |
| 1528 | "please rebuild with CONFIG_DEBUG_INFO=y.\n"); | 1529 | "please rebuild with CONFIG_DEBUG_INFO=y.\n"); |
| 1529 | ret = -EINVAL; | 1530 | ret = -EINVAL; |
| 1530 | goto end; | 1531 | goto end; |
| @@ -1534,7 +1535,8 @@ int find_perf_probe_point(unsigned long addr, struct perf_probe_point *ppt) | |||
| 1534 | addr += bias; | 1535 | addr += bias; |
| 1535 | /* Find cu die */ | 1536 | /* Find cu die */ |
| 1536 | if (!dwarf_addrdie(dbg, (Dwarf_Addr)addr - bias, &cudie)) { | 1537 | if (!dwarf_addrdie(dbg, (Dwarf_Addr)addr - bias, &cudie)) { |
| 1537 | pr_warning("No CU DIE is found at %lx\n", addr); | 1538 | pr_warning("Failed to find debug information for address %lx\n", |
| 1539 | addr); | ||
| 1538 | ret = -EINVAL; | 1540 | ret = -EINVAL; |
| 1539 | goto end; | 1541 | goto end; |
| 1540 | } | 1542 | } |
| @@ -1659,7 +1661,7 @@ static int find_line_range_by_line(Dwarf_Die *sp_die, struct line_finder *lf) | |||
| 1659 | 1661 | ||
| 1660 | line_list__init(&lf->lr->line_list); | 1662 | line_list__init(&lf->lr->line_list); |
| 1661 | if (dwarf_getsrclines(&lf->cu_die, &lines, &nlines) != 0) { | 1663 | if (dwarf_getsrclines(&lf->cu_die, &lines, &nlines) != 0) { |
| 1662 | pr_warning("No source lines found in this CU.\n"); | 1664 | pr_warning("No source lines found.\n"); |
| 1663 | return -ENOENT; | 1665 | return -ENOENT; |
| 1664 | } | 1666 | } |
| 1665 | 1667 | ||
| @@ -1784,7 +1786,7 @@ int find_line_range(int fd, struct line_range *lr) | |||
| 1784 | 1786 | ||
| 1785 | dbg = dwfl_init_offline_dwarf(fd, &dwfl, &bias); | 1787 | dbg = dwfl_init_offline_dwarf(fd, &dwfl, &bias); |
| 1786 | if (!dbg) { | 1788 | if (!dbg) { |
| 1787 | pr_warning("No dwarf info found in the vmlinux - " | 1789 | pr_warning("No debug information found in the vmlinux - " |
| 1788 | "please rebuild with CONFIG_DEBUG_INFO=y.\n"); | 1790 | "please rebuild with CONFIG_DEBUG_INFO=y.\n"); |
| 1789 | return -EBADF; | 1791 | return -EBADF; |
| 1790 | } | 1792 | } |
