diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-03-06 16:40:15 -0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-03-06 16:40:15 -0300 |
commit | bc3bb795345891509b4a3cbff824cbef8c130f20 (patch) | |
tree | 40518033ba2d24e050d0de7d07e4734b98ecf207 /tools/perf/util/annotate.c | |
parent | a53837a5458c5b84588dfa3fa510c6a29b7bd4d7 (diff) | |
download | linux-bc3bb795345891509b4a3cbff824cbef8c130f20.tar.bz2 |
perf annotate: Calculate the max instruction name, align column to that
We were hardcoding '6' as the max instruction name, and we have lots
that are longer than that, see the diff from two 'P' printed TUI
annotations for a libc function that uses instructions with long names,
such as 'vpmovmskb' with its 9 chars:
--- __strcmp_avx2.annotation.before 2019-03-06 16:31:39.368020425 -0300
+++ __strcmp_avx2.annotation 2019-03-06 16:32:12.079450508 -0300
@@ -2,284 +2,284 @@
Event: cycles:ppp
Percent endbr64
- 0.10 mov %edi,%eax
+ 0.10 mov %edi,%eax
- xor %edx,%edx
+ xor %edx,%edx
- 3.54 vpxor %ymm7,%ymm7,%ymm7
+ 3.54 vpxor %ymm7,%ymm7,%ymm7
- or %esi,%eax
+ or %esi,%eax
- and $0xfff,%eax
+ and $0xfff,%eax
- cmp $0xf80,%eax
+ cmp $0xf80,%eax
- ↓ jg 370
+ ↓ jg 370
- 27.07 vmovdqu (%rdi),%ymm1
+ 27.07 vmovdqu (%rdi),%ymm1
- 7.97 vpcmpeqb (%rsi),%ymm1,%ymm0
+ 7.97 vpcmpeqb (%rsi),%ymm1,%ymm0
- 2.15 vpminub %ymm1,%ymm0,%ymm0
+ 2.15 vpminub %ymm1,%ymm0,%ymm0
- 4.09 vpcmpeqb %ymm7,%ymm0,%ymm0
+ 4.09 vpcmpeqb %ymm7,%ymm0,%ymm0
- 0.43 vpmovmskb %ymm0,%ecx
+ 0.43 vpmovmskb %ymm0,%ecx
- 1.53 test %ecx,%ecx
+ 1.53 test %ecx,%ecx
- ↓ je b0
+ ↓ je b0
- 5.26 tzcnt %ecx,%edx
+ 5.26 tzcnt %ecx,%edx
- 18.40 movzbl (%rdi,%rdx,1),%eax
+ 18.40 movzbl (%rdi,%rdx,1),%eax
- 7.09 movzbl (%rsi,%rdx,1),%edx
+ 7.09 movzbl (%rsi,%rdx,1),%edx
- 3.34 sub %edx,%eax
+ 3.34 sub %edx,%eax
2.37 vzeroupper
← retq
nop
- 50: tzcnt %ecx,%edx
+ 50: tzcnt %ecx,%edx
- movzbl 0x20(%rdi,%rdx,1),%eax
+ movzbl 0x20(%rdi,%rdx,1),%eax
- movzbl 0x20(%rsi,%rdx,1),%edx
+ movzbl 0x20(%rsi,%rdx,1),%edx
- sub %edx,%eax
+ sub %edx,%eax
vzeroupper
← retq
- data16 nopw %cs:0x0(%rax,%rax,1)
+ data16 nopw %cs:0x0(%rax,%rax,1)
Reported-by: Travis Downs <travis.downs@gmail.com>
LPU-Reference: CAOBGo4z1KfmWeOm6Et0cnX5Z6DWsG2PQbAvRn1MhVPJmXHrc5g@mail.gmail.com
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-89wsdd9h9g6bvq52sgp6d0u4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r-- | tools/perf/util/annotate.c | 74 |
1 files changed, 46 insertions, 28 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 11a8a447a3af..5f6dbbf5d749 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -198,18 +198,18 @@ static void ins__delete(struct ins_operands *ops) } static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { - return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->raw); } int ins__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { if (ins->ops->scnprintf) - return ins->ops->scnprintf(ins, bf, size, ops); + return ins->ops->scnprintf(ins, bf, size, ops, max_ins_name); - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); } bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) @@ -273,18 +273,18 @@ indirect_call: } static int call__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { if (ops->target.sym) - return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); if (ops->target.addr == 0) - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); if (ops->target.name) - return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name); - return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); + return scnprintf(bf, size, "%-*s *%" PRIx64, max_ins_name, ins->name, ops->target.addr); } static struct ins_ops call_ops = { @@ -388,15 +388,15 @@ static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_s } static int jump__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { const char *c; if (!ops->target.addr || ops->target.offset < 0) - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); if (ops->target.outside && ops->target.sym != NULL) - return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); c = strchr(ops->raw, ','); c = validate_comma(c, ops); @@ -415,7 +415,7 @@ static int jump__scnprintf(struct ins *ins, char *bf, size_t size, c++; } - return scnprintf(bf, size, "%-6s %.*s%" PRIx64, + return scnprintf(bf, size, "%-*s %.*s%" PRIx64, max_ins_name, ins->name, c ? c - ops->raw : 0, ops->raw, ops->target.offset); } @@ -483,16 +483,16 @@ out_free_ops: } static int lock__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { int printed; if (ops->locked.ins.ops == NULL) - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); - printed = scnprintf(bf, size, "%-6s ", ins->name); + printed = scnprintf(bf, size, "%-*s ", max_ins_name, ins->name); return printed + ins__scnprintf(&ops->locked.ins, bf + printed, - size - printed, ops->locked.ops); + size - printed, ops->locked.ops, max_ins_name); } static void lock__delete(struct ins_operands *ops) @@ -564,9 +564,9 @@ out_free_source: } static int mov__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { - return scnprintf(bf, size, "%-6s %s,%s", ins->name, + return scnprintf(bf, size, "%-*s %s,%s", max_ins_name, ins->name, ops->source.name ?: ops->source.raw, ops->target.name ?: ops->target.raw); } @@ -604,9 +604,9 @@ static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops } static int dec__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { - return scnprintf(bf, size, "%-6s %s", ins->name, + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name ?: ops->target.raw); } @@ -616,9 +616,9 @@ static struct ins_ops dec_ops = { }; static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, - struct ins_operands *ops __maybe_unused) + struct ins_operands *ops __maybe_unused, int max_ins_name) { - return scnprintf(bf, size, "%-6s", "nop"); + return scnprintf(bf, size, "%-*s", max_ins_name, "nop"); } static struct ins_ops nop_ops = { @@ -1232,12 +1232,12 @@ void disasm_line__free(struct disasm_line *dl) annotation_line__delete(&dl->al); } -int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) +int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw, int max_ins_name) { if (raw || !dl->ins.ops) - return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); + return scnprintf(bf, size, "%-*s %s", max_ins_name, dl->ins.name, dl->ops.raw); - return ins__scnprintf(&dl->ins, bf, size, &dl->ops); + return ins__scnprintf(&dl->ins, bf, size, &dl->ops, max_ins_name); } static void annotation_line__add(struct annotation_line *al, struct list_head *head) @@ -2414,12 +2414,30 @@ static inline int width_jumps(int n) return 1; } +static int annotation__max_ins_name(struct annotation *notes) +{ + int max_name = 0, len; + struct annotation_line *al; + + list_for_each_entry(al, ¬es->src->source, node) { + if (al->offset == -1) + continue; + + len = strlen(disasm_line(al)->ins.name); + if (max_name < len) + max_name = len; + } + + return max_name; +} + void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) { notes->widths.addr = notes->widths.target = notes->widths.min_addr = hex_width(symbol__size(sym)); notes->widths.max_addr = hex_width(sym->end); notes->widths.jumps = width_jumps(notes->max_jump_sources); + notes->widths.max_ins_name = annotation__max_ins_name(notes); } void annotation__update_column_widths(struct annotation *notes) @@ -2583,7 +2601,7 @@ call_like: obj__printf(obj, " "); } - disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); + disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset, notes->widths.max_ins_name); } static void ipc_coverage_string(char *bf, int size, struct annotation *notes) |