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1<!DOCTYPE html>
2<html>
3  <head>
4    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
5    <title>quickstart_hiperf</title>
6
7    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
8
9    <style>
10      code[class*='smartperf-'],
11      pre[class*='smartperf-'] {
12        color: #333333;
13        background: none;
14        font-family: Helvetica;
15        line-height: 1.6;
16        text-align: left;
17        white-space: pre;
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21        -webkit-hyphens: none;
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23        -ms-hyphens: none;
24        hyphens: none;
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26
27      /* Code blocks */
28      pre[class*='smartperf-'] {
29        padding: 0.9em;
30        overflow: auto;
31        border-radius: 2px;
32        background: #f5f5f4;
33      }
34
35      /* Inline code */
36      :not(pre) > code[class*='smartperf-'] {
37        white-space: normal;
38        background: #fcf8f8;
39        padding: 1px 0.2em;
40        border-radius: 1px 0.3em;
41      }
42
43      .tk.comment,
44      .tk.blockquote {
45        color: #8c918c;
46      }
47
48      .tk.cdata {
49        color: #183898;
50      }
51
52      .tk.doctype,
53      .tk.punctuation,
54      .tk.variable,
55      .tk.macro.property {
56        color: #424242;
57      }
58
59      .tk.operator,
60      .tk.important,
61      .tk.keyword,
62      .tk.rule,
63      .tk.builtin {
64        color: #b71d65;
65      }
66
67      .tk.string,
68      .tk.url,
69      .tk.regex,
70      .tk.attr-value {
71        color: #16338d;
72      }
73
74      .tk.property,
75      .tk.number,
76      .tk.boolean,
77      .tk.entity,
78      .tk.atrule,
79      .tk.constant,
80      .tk.symbol,
81      .tk.command,
82      .tk.code {
83        color: #037aa2;
84      }
85
86      .tk.tag,
87      .tk.selector,
88      .tk.prolog {
89        color: #69ad62;
90      }
91
92      .tk.function,
93      .tk.namespace,
94      .tk.pseudo-element,
95      .tk.class,
96      .tk.class-name,
97      .tk.pseudo-class,
98      .tk.id,
99      .tk.url-reference .tk.variable,
100      .tk.attr-name {
101        color: #775d9d;
102      }
103
104      .tk.entity {
105        cursor: help;
106      }
107
108      .tk.title,
109      .tk.title .tk.punctuation {
110        font-weight: bold;
111        color: #1a3773;
112      }
113
114      .tk.list {
115        color: #f56940;
116      }
117
118      .tk.inserted {
119        background-color: #eaffea;
120        color: #509b2f;
121      }
122
123      .tk.deleted {
124        background-color: #fae1e1;
125        color: #ad2d06;
126      }
127
128      .tk.bold {
129        font-weight: bolder;
130      }
131
132      .tk.italic {
133        font-style: normal;
134      }
135
136      /* JSON */
137      .smartperf-json .tk.property {
138        color: #19358c;
139      }
140
141      .smartperf-markup .tk.tag .tk.punctuation {
142        color: #2c2b2b;
143      }
144
145      /* CSS */
146      code.smartperf-css,
147      .smartperf-css .tk.function {
148        color: #047ca4;
149      }
150
151      /* YAML */
152      .smartperf-yaml .tk.atrule {
153        color: #609b5a;
154      }
155
156      code.smartperf-yaml {
157        color: #153491;
158      }
159
160      /* Ruby */
161      .smartperf-ruby .tk.function {
162        color: #3f3e3e;
163      }
164
165      /* Markdown */
166      .smartperf-markdown .tk.url {
167        color: #6e5298;
168      }
169
170      /* Makefile */
171      .smartperf-makefile .tk.symbol {
172        color: #6c5393;
173      }
174
175      .smartperf-makefile .tk.variable {
176        color: #183488;
177      }
178
179      .smartperf-makefile .tk.builtin {
180        color: #027ba4;
181      }
182
183      /* Bash */
184      .smartperf-bash .tk.keyword {
185        color: #027fa9;
186      }
187
188      /* highlight */
189      pre[dl] {
190        position: relative;
191        padding: 1em 1px 1px 0.9em;
192      }
193
194      pre[dl] .line-highlight-wrapper {
195        position: absolute;
196        top: 1px;
197        left: 1px;
198        background-color: transparent;
199        display: block;
200        width: 99%;
201      }
202
203      pre[dl] .line-highlight {
204        position: absolute;
205        left: 1px;
206        right: 1px;
207        padding: inherit;
208        margin-top: 0.9em;
209        background: hsla(25, 21%, 50%, 0.08);
210        background: linear-gradient(to right, hsla(24, 20%, 50%, 0.1) 70%, hsla(24, 20%, 50%, 0));
211        pointer-events: none;
212        line-height: inherit;
213        white-space: pre;
214      }
215
216      pre[dl] .line-highlight:before,
217      pre[dl] .line-highlight[data-end]:after {
218        content: attr(data-start);
219        position: absolute;
220        text-shadow: none;
221        top: 0.3em;
222        left: 0.7em;
223        min-width: 0.9em;
224        padding: 1px 0.6em;
225        background-color: hsla(24, 20%, 47%, 0.4);
226        color: hsl(20, 11%, 95%);
227        text-align: center;
228        vertical-align: 0.2em;
229        border-radius: 10000px;
230        box-shadow: 1px 2px #fdf6f6;
231      }
232
233      pre[dl] .line-highlight[data-end]:after {
234        content: attr(data-end);
235        top: auto;
236        bottom: 0.5em;
237      }
238
239      html body {
240        line-height: 1.6;
241        font-size: 16px;
242        color: #333333;
243        overflow: initial;
244        background-color: #ffffff;
245        word-wrap: break-word;
246        font-family: Helvetica;
247        box-sizing: border-box;
248      }
249
250      html body > :first-child {
251        margin-top: 0px;
252      }
253
254      html body h1,
255      html body h2,
256      html body h3,
257      html body h4,
258      html body h5,
259      html body h6 {
260        margin-top: 1em;
261        margin-bottom: 16px;
262        color: #000000;
263        line-height: 1.2;
264      }
265
266      html body h1 {
267        font-weight: 300;
268        font-size: 2.25em;
269        padding-bottom: 0.3em;
270      }
271
272      html body h2 {
273        font-weight: 410;
274        font-size: 1.74em;
275        padding-bottom: 0.2em;
276      }
277
278      html body h3 {
279        font-size: 1.6em;
280        font-weight: 501;
281      }
282
283      html body h4 {
284        font-size: 1.26em;
285        font-weight: 601;
286      }
287
288      html body h5 {
289        font-size: 1.2em;
290        font-weight: 601;
291      }
292
293      html body h6 {
294        font-size: 0.9em;
295        font-weight: 601;
296      }
297
298      html body h1,
299      html body h2,
300      html body h3,
301      html body h4,
302      html body h5 {
303        font-weight: 601;
304      }
305
306      html body h5 {
307        font-size: 0.9em;
308      }
309
310      html body h6 {
311        color: #5c5c5c;
312      }
313
314      html body strong {
315        color: #090909;
316      }
317
318      html body del {
319        color: #525252;
320      }
321
322      html body a:not([href]) {
323        color: inherit;
324        text-decoration: none;
325      }
326
327      html body a {
328        color: #0192da;
329        text-decoration: none;
330      }
331
332      html body a:hover {
333        color: #029dea;
334        text-decoration: none;
335      }
336
337      html body img {
338        max-width: 99%;
339      }
340
341      html body > p {
342        margin-top: 1px;
343        margin-bottom: 15px;
344        word-wrap: break-word;
345      }
346
347      html body > ul,
348      html body > ol {
349        margin-bottom: 15px;
350      }
351
352      html body ul,
353      html body ol {
354        padding-left: 1.9em;
355      }
356
357      html body ul.no-list,
358      html body ol.no-list {
359        padding: 0px;
360        list-style-type: none;
361      }
362
363      html body ul ul,
364      html body ul ol,
365      html body ol ol,
366      html body ol ul {
367        margin-top: 1px;
368        margin-bottom: 1px;
369      }
370
371      html body li {
372        margin-bottom: 1px;
373      }
374
375      html body li.task-list-item {
376        list-style: none;
377      }
378
379      html body li > p {
380        margin-top: 1px;
381        margin-bottom: 1px;
382      }
383
384      html body .task-list-item-checkbox {
385        margin: 0 0.3em 0.24em -1.7em;
386        vertical-align: middle;
387      }
388
389      html body .task-list-item-checkbox:hover {
390        cursor: pointer;
391      }
392
393      html body blockquote {
394        padding: 0.1px 15px 0 0.1px;
395        font-size: inherit;
396        color: #5c5c5c;
397        margin: 16px 0.1px 0 0.1px;
398        border-left: 3px solid #cbc9c9;
399        background-color: #e8e6e6;
400      }
401
402      html body blockquote > :first-child {
403        margin-top: 0.2px;
404      }
405
406      html body blockquote > :last-child {
407        margin-bottom: 0.1px;
408      }
409
410      html body hr {
411        height: 5px;
412        background-color: #cbcaca;
413        margin: 32px 0 0.1px 0;
414        border: 0 none;
415      }
416
417      html body table {
418        overflow: auto;
419        border-collapse: collapse;
420        margin: 15px 0.1px 20px 0.1px;
421        border-spacing: 0;
422      }
423
424      html body table th {
425        font-weight: bold;
426        color: #000000;
427      }
428
429      html body table td,
430      html body table th {
431        border: 1px solid #d6d6d6;
432        padding: 2px 14px;
433      }
434
435      html body dl {
436        padding: 0px;
437      }
438
439      html body dl dt {
440        padding: 0px;
441        margin-top: 15px;
442        font-size: 0.9em;
443        font-style: italic;
444        font-weight: bold;
445      }
446
447      html body dl dd {
448        padding: 0px 17px;
449        margin-bottom: 17px;
450      }
451
452      html body code {
453        font-family: Menlo, Monaco, Consolas, 'Courier New', monospace;
454        font-size: 0.86em !important;
455        color: #000000;
456        background-color: #f0f0f0;
457        border-radius: 4px;
458        padding: 0.3em 0px;
459      }
460
461      html body code::before,
462      html body code::after {
463        letter-spacing: -0.1em;
464        content: '\00a0';
465      }
466
467      html body pre > code {
468        padding: 1px;
469        margin: 0px;
470        font-size: 0.86em !important;
471        word-break: normal;
472        white-space: pre;
473        background: transparent;
474        border: 0px;
475      }
476
477      html body .highlight {
478        margin-bottom: 17px;
479      }
480
481      html body .highlight pre,
482      html body pre {
483        padding: 0.9em;
484        overflow: auto;
485        font-size: 0.86em !important;
486        line-height: 1.46;
487        border: #d6d6d6;
488        border-radius: 4px;
489      }
490
491      html body .highlight pre {
492        margin-bottom: 0px;
493        word-break: normal;
494      }
495
496      html body pre code,
497      html body pre tt {
498        display: inline;
499        max-width: initial;
500        padding: 1px;
501        margin: 1px;
502        overflow: initial;
503        line-height: inherit;
504        word-wrap: normal;
505        background-color: transparent;
506        border: 1px;
507      }
508
509      html body pre code:before,
510      html body pre tt:before,
511      html body pre code:after,
512      html body pre tt:after {
513        content: normal;
514      }
515
516      html body p,
517      html body blockquote,
518      html body ul,
519      html body ol,
520      html body dl,
521      html body pre {
522        margin-top: 1px;
523        margin-bottom: 17px;
524      }
525
526      html body kbd {
527        color: #000000;
528        border: 3px solid #d6d6d6;
529        border-bottom: 3px solid #c7c7c7;
530        padding: 3px 5px;
531        background-color: #f0f0f0;
532        border-radius: 2px;
533      }
534
535      @media print {
536        html body {
537          background-color: #ffffff;
538        }
539
540        html body h1,
541        html body h2,
542        html body h3,
543        html body h4,
544        html body h5,
545        html body h6 {
546          color: #000000;
547          page-break-after: avoid;
548        }
549
550        html body blockquote {
551          color: #5c5c53;
552        }
553
554        html body pre {
555          page-break-inside: avoid;
556        }
557
558        html body table {
559          display: table;
560        }
561
562        html body img {
563          display: block;
564          max-width: 99%;
565          max-height: 99%;
566        }
567
568        html body pre,
569        html body code {
570          word-wrap: break-word;
571          white-space: pre;
572        }
573      }
574
575      .smartperf-preview {
576        width: 99%;
577        height: 99%;
578        box-sizing: border-box;
579      }
580
581      .smartperf-preview .pagebreak,
582      .smartperf-preview .newpage {
583        page-break-before: always;
584      }
585
586      .smartperf-preview pre.line-numbers {
587        position: relative;
588        padding-left: 3.7em;
589        counter-reset: linenumber;
590      }
591
592      .smartperf-preview pre.line-numbers > code {
593        position: relative;
594      }
595
596      .smartperf-preview pre.line-numbers .line-numbers-rows {
597        position: absolute;
598        pointer-events: none;
599        top: 0.9em;
600        font-size: 99%;
601        left: 1px;
602        width: 3em;
603        letter-spacing: -1px;
604        border-right: 1px solid #999;
605        -webkit-user-select: none;
606        -moz-user-select: none;
607        -ms-user-select: none;
608        user-select: none;
609      }
610
611      .smartperf-preview pre.line-numbers .line-numbers-rows > span {
612        pointer-events: none;
613        display: block;
614        counter-increment: linenumber;
615      }
616
617      .smartperf-preview pre.line-numbers .line-numbers-rows > span:before {
618        content: counter(linenumber);
619        color: #999;
620        display: block;
621        padding-right: 0.79em;
622        text-align: right;
623      }
624
625      .smartperf-preview .mathjax-exps .MathJax_Display {
626        text-align: center !important;
627      }
628
629      .smartperf-preview:not([for='preview']) .code-chunk .btn-group {
630        display: none;
631      }
632
633      .smartperf-preview:not([for='preview']) .code-chunk .status {
634        display: none;
635      }
636
637      .smartperf-preview:not([for='preview']) .code-chunk .output-div {
638        margin-bottom: 16px;
639      }
640
641      .scrollbar-style::-webkit-scrollbar {
642        width: 8px;
643      }
644
645      .scrollbar-style::-webkit-scrollbar-track {
646        border-radius: 9px;
647        background-color: transparent;
648      }
649
650      .scrollbar-style::-webkit-scrollbar-thumb {
651        border-radius: 6px;
652        background-color: rgba(150, 150, 150, 1);
653        border: 4px solid rgba(150, 150, 150, 1);
654        background-clip: content-box;
655      }
656
657      html body[for='html-export']:not([dpm]) {
658        position: relative;
659        width: 99%;
660        height: 99%;
661        top: 1px;
662        left: 1px;
663        margin: 1px;
664        padding: 1px;
665        overflow: auto;
666      }
667
668      html body[for='html-export']:not([dpm]) .smartperf-preview {
669        position: relative;
670        top: 1px;
671      }
672
673      @media screen and (min-width: 914px) {
674        html body[for='html-export']:not([dpm]) .smartperf-preview {
675          padding: 2em calc(50% - 458px + 2em);
676        }
677      }
678
679      @media screen and (max-width: 914px) {
680        html body[for='html-export']:not([dpm]) .smartperf-preview {
681          padding: 1.9em;
682        }
683      }
684
685      @media screen and (max-width: 450px) {
686        html body[for='html-export']:not([dpm]) .smartperf-preview {
687          font-size: 15px !important;
688          padding: 1.1em;
689        }
690      }
691
692      @media print {
693        html body[for='html-export']:not([dpm]) #sidebar-toc-btn {
694          display: none;
695        }
696      }
697
698      html body[for='html-export']:not([dpm]) #sidebar-toc-btn {
699        position: fixed;
700        bottom: 9px;
701        left: 9px;
702        font-size: 28px;
703        cursor: pointer;
704        color: inherit;
705        z-index: 99;
706        width: 31px;
707        text-align: center;
708        opacity: 0.5;
709      }
710
711      html body[for='html-export']:not([dpm])[hsst] #sidebar-toc-btn {
712        opacity: 1;
713      }
714
715      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc {
716        position: fixed;
717        top: 1px;
718        left: 1px;
719        width: 300px;
720        height: 99%;
721        padding: 32px 0 48px 0;
722        font-size: 14px;
723        box-shadow: 1px 1px 4px rgba(150, 150, 150, 0.33);
724        box-sizing: border-box;
725        overflow: auto;
726        background-color: inherit;
727      }
728
729      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc::-webkit-scrollbar {
730        width: 9px;
731      }
732
733      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc::-webkit-scrollbar-track {
734        border-radius: 11px;
735        background-color: transparent;
736      }
737
738      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc::-webkit-scrollbar-thumb {
739        border-radius: 6px;
740        background-color: rgba(150, 150, 150, 0.66);
741        border: 3px solid rgba(150, 150, 150, 0.66);
742        background-clip: content-box;
743      }
744
745      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc a {
746        text-decoration: none;
747      }
748
749      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc ul {
750        padding: 1px 1.7em;
751        margin-top: 0.9em;
752      }
753
754      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc li {
755        margin-bottom: 0.8em;
756      }
757
758      html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc ul {
759        list-style-type: none;
760      }
761
762      html body[for='html-export']:not([dpm])[hsst] .smartperf-preview {
763        left: 301px;
764        width: calc(100% - 300px);
765        padding: 2em calc(50% - 457px - 150px);
766        margin: 1px;
767        box-sizing: border-box;
768      }
769
770      @media screen and (max-width: 1274px) {
771        html body[for='html-export']:not([dpm])[hsst] .smartperf-preview {
772          padding: 1.9em;
773        }
774      }
775
776      @media screen and (max-width: 450px) {
777        html body[for='html-export']:not([dpm])[hsst] .smartperf-preview {
778          width: 99%;
779        }
780      }
781
782      html body[for='html-export']:not([dpm]):not([hsst]) .smartperf-preview {
783        left: 50%;
784        transform: translateX(-50%);
785      }
786
787      html body[for='html-export']:not([dpm]):not([hsst]) .md-sidebar-toc {
788        display: none;
789      }
790    </style>
791  </head>
792  <body for="html-export" id="body">
793    <div class="smartperf smartperf-preview">
794      <h1 class="mume-header fontColor">HiPerf的抓取和展示说明</h1>
795
796      <p class="fontColor">HiPerf工具是对系统性能数据进行采样记录，并将采样数据保存为文件，进行读取，展示分析。</p>
797      <h2 class="mume-header fontColor">HiPerf的抓取</h2>
798
799      <h3 class="mume-header fontColor">HiPerf抓取配置参数</h3>
800
801      <p class="fontColor">
802        <img src="../figures/perf/perfsetting.jpg" alt="GitHub Logo" /><br />
803        配置项说明：
804      </p>
805      <ul class="fontColor">
806        <li>
807          <pre class="smartperf-text fontColor light">
808Start Hiperf Sampling：配置项的总开关。
809</pre
810          >
811        </li>
812        <li>
813          <pre class="smartperf-text fontColor light">
814Process：离线模式下配置的是整个系统的。
815</pre
816          >
817        </li>
818        <li>
819          <pre class="smartperf-text fontColor light">
820Frequency：配置抓取的频率。
821</pre
822          >
823        </li>
824        <li>
825          <pre class="smartperf-text fontColor light">
826Call Stack：配置抓取的堆栈类型。
827</pre
828          >
829        </li>
830        <li>
831          <pre class="smartperf-text fontColor light">
832Advance Options：更多的抓取配置项。
833</pre
834          >
835        </li>
836      </ul>
837      <p class="fontColor">
838        再点击Record setting，在output file path输入文件名hiprofiler_data_perf.htrace，拖动滚动条设置buffer
839        size大小是64M，抓取时长是50s。<br />
840        <img src="../figures/perf/perfset.jpg" alt="GitHub Logo" /><br />
841        点击Trace command，就会根据上面的配置生成抓取命令，点击复制按钮，会将命令行复制。<br />
842        <img src="../figures/perf/perfcommand.jpg" alt="GitHub Logo" /><br />
843        输入hdc_shell，进入设备，执行命令。<br />
844        <img src="../figures/perf/perfexcutecommand.jpg" alt="GitHub Logo" /><br />
845        执行完成后，进入指定目录查看，在/data/local/tmp下就会生成trace文件。<br />
846        <img src="../figures/perf/perffile.jpg" alt="GitHub Logo" />
847      </p>
848      <h3 class="mume-header fontColor">HiPerf展示说明</h3>
849
850      <p class="fontColor">
851        将抓取的trace文件导入smartperf界面查看。<br />
852        <img src="../figures/perf/summary.jpg" alt="GitHub Logo" />
853      </p>
854      <p class="fontColor">界面布局介绍：Perf整体界面布局分为3个部分：</p>
855      <ul class="fontColor">
856        <li>
857          <pre class="smartperf-text fontColor light">
858红色区域：泳道图。
859</pre
860          >
861        </li>
862        <li>
863          <pre class="smartperf-text fontColor light">
864绿色区域：详细信息(Perf Profile和Sample List)。
865</pre
866          >
867        </li>
868        <li>
869          <pre class="smartperf-text fontColor light">
870黄色区域：辅助信息(Callstack)。
871</pre
872          >
873        </li>
874      </ul>
875      <h3 class="mume-header fontColor">HiPerf泳道图展示</h3>
876
877      <p class="fontColor">
878        Perf泳道图展示按照CPU使用量和线程和进程展示，鼠标移动都泳道图上，悬浮框会显示CPU的使用量。<br />
879        <img src="../figures/perf/chart.jpg" alt="GitHub Logo" /><br />
880        按住w键放大界面，泳道图会出现P的标志，鼠标移动到P图标上，悬浮框会显示每个callstack和调用的深度如下图。<br />
881        <img src="../figures/perf/callstack.jpg" alt="GitHub Logo" />
882      </p>
883      <h3 class="mume-header fontColor">HiPerf泳道图的框选功能</h3>
884
885      <p class="fontColor">
886        可以对CPU使用量区，线程和进程区数据进行框选，框选后在最下方的弹出层中会展示框选数据的统计表格，总共有两个tab页。<br />
887        Perf Profile的Tab页如图：<br />
888        <img src="../figures/perf/PerfProfile.jpg" alt="GitHub Logo" />
889      </p>
890      <ul class="fontColor">
891        <li>
892          <pre class="smartperf-text fontColor light">
893Call Stack：为经过符号解析后的Callstack，并且给出动态链接库或者进程名的信息。
894</pre
895          >
896        </li>
897        <li>
898          <pre class="smartperf-text fontColor light">
899Local：为该调用方法自身占用的CPU时间。
900</pre
901          >
902        </li>
903        <li>
904          <pre class="smartperf-text fontColor light">
905Weight：调用方法的执行次数和占比。
906</pre
907          >
908        </li>
909      </ul>
910      <p class="fontColor">
911        Sample List的Tab页如图：<br />
912        <img src="../figures/perf/Samplelist.jpg" alt="GitHub Logo" />
913      </p>
914      <ul class="fontColor">
915        <li>
916          <pre class="smartperf-text fontColor light">
917Sample Time：采样的时间戳信息。
918</pre
919          >
920        </li>
921        <li>
922          <pre class="smartperf-text fontColor light">
923Core：当前的CPU核信息。
924</pre
925          >
926        </li>
927        <li>
928          <pre class="smartperf-text fontColor light">
929Process：进程名。
930</pre
931          >
932        </li>
933        <li>
934          <pre class="smartperf-text fontColor light">
935Thread：线程名。
936</pre
937          >
938        </li>
939        <li>
940          <pre class="smartperf-text fontColor light">
941State：运行状态。
942</pre
943          >
944        </li>
945        <li>
946          <pre class="smartperf-text fontColor light">
947Backtrace：栈顶的调用栈名称。
948</pre
949          >
950        </li>
951      </ul>
952      <h3 class="mume-header fontColor">HiPerf支持多种Options展示风格</h3>
953
954      <p class="fontColor">
955        点击Perf Profile的Tab页底部的Options，会有两个CheckBox复选框。<br />
956        <img src="../figures/perf/Options.jpg" alt="GitHub Logo" />
957      </p>
958      <ul class="fontColor">
959        <li>
960          <pre class="smartperf-text fontColor light">
961Invert：反向输出调用树。
962</pre
963          >
964        </li>
965        <li>
966          <pre class="smartperf-text fontColor light">
967Hide System so：隐藏系统库文件。
968</pre
969          >
970        </li>
971      </ul>
972      <h3 class="mume-header fontColor">HiPerf支持过滤调用栈调用次数的展示风格</h3>
973
974      <p class="fontColor">
975        点击Perf Profile的Tab页底部的Sample Counter Filter，可以填上区间值。过滤出符合该区间值调用次数的调用栈信息。<br />
976        <img src="../figures/perf/samplecounter.jpg" alt="GitHub Logo" />
977      </p>
978      <h3 class="mume-header fontColor">HiPerf功能的调用栈Group展示-数据分析支持剪裁功能</h3>
979
980      <p class="fontColor"><img src="../figures/perf/datamining.jpg" alt="GitHub Logo" /></p>
981      <ul class="fontColor">
982        <li>
983          <p class="fontColor">
984            裁剪Callstack，点击Callstack上一个节点符号，再点击底部Symbol
985            Filter按钮，则该符号自动被裁剪掉，同时将该节点往下所有的Callstack内容裁剪掉。
986          </p>
987        </li>
988        <li>
989          <p class="fontColor">裁剪Library，点击Library Filter按钮，则该库文件符号下所有的子节点也被裁剪。</p>
990        </li>
991        <li>
992          <p class="fontColor">点击Reset按钮，将恢复选中的裁剪内容。</p>
993        </li>
994      </ul>
995      <h3 class="mume-header fontColor">HiPerf功能的调用栈Group展示支持按条件过滤</h3>
996
997      <p class="fontColor">
998        在Input Filter输入关键字，会显示出带有该关键字的展示信息。<br />
999        <img src="../figures/perf/inputfilter.jpg" alt="GitHub Logo" />
1000      </p>
1001      <h3 class="mume-header fontColor">HiPerf辅助信息区展示调用栈</h3>
1002
1003      <p class="fontColor">
1004        当在详细信息区选择一个符号时，将展示与该符号相关的完整的调用栈。对上展示到根节点，对下则展示CPU占用率最大的调用栈。调用栈右侧有Sliding
1005        bar可以滚动。<br />
1006        如下图的Heaviest Stack Trace：<br />
1007        <img src="../figures/perf/heaviesttrace1.jpg" alt="GitHub Logo" />
1008      </p>
1009      <h3 class="mume-header fontColor">HiPerf的火焰图功能</h3>
1010
1011      <p class="fontColor">
1012        点击Perf Profile左下角的柱状图的图标，会切换到火焰图页面。<br />
1013        <img src="../figures/perf/flame.jpg" alt="GitHub Logo" /><br />
1014        进入到火焰图页面，火焰图的展示跟Callinfo的tab页的调用栈显示一致，鼠标放到色块上，悬浮框可以显示调用栈名称和count大小。<br />
1015        <img src="../figures/perf/flameshow.jpg" alt="GitHub Logo" /><br />
1016        鼠标左键火焰图，会进入下一级界面，右键回到上一级。<br />
1017        <img src="../figures/perf/flamelevel2.jpg" alt="GitHub Logo" />
1018      </p>
1019    </div>
1020
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