/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright (C) 2009-2013 Intel Corporation Authors: Auke Kok <auke-jan.h.kok@intel.com> systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdio.h> #include <string.h> #include <time.h> #include <limits.h> #include <unistd.h> #include <sys/utsname.h> #include <fcntl.h> #include "util.h" #include "fileio.h" #include "macro.h" #include "store.h" #include "svg.h" #include "bootchart.h" #include "list.h" #include "utf8.h" #define time_to_graph(t) ((t) * arg_scale_x) #define ps_to_graph(n) ((n) * arg_scale_y) #define kb_to_graph(m) ((m) * arg_scale_y * 0.0001) #define to_color(n) (192.0 - ((n) * 192.0)) static const char * const colorwheel[12] = { "rgb(255,32,32)", // red "rgb(32,192,192)", // cyan "rgb(255,128,32)", // orange "rgb(128,32,192)", // blue-violet "rgb(255,255,32)", // yellow "rgb(192,32,128)", // red-violet "rgb(32,255,32)", // green "rgb(255,64,32)", // red-orange "rgb(32,32,255)", // blue "rgb(255,192,32)", // yellow-orange "rgb(192,32,192)", // violet "rgb(32,192,32)" // yellow-green }; static double idletime = -1.0; static int pfiltered = 0; static int pcount = 0; static int kcount = 0; static double psize = 0; static double ksize = 0; static double esize = 0; static struct list_sample_data *sampledata; static struct list_sample_data *prev_sampledata; static void svg_header(FILE *of, struct list_sample_data *head, double graph_start, int n_cpus) { double w; double h; struct list_sample_data *sampledata_last; assert(head); sampledata_last = head; LIST_FOREACH_BEFORE(link, sampledata, head) { sampledata_last = sampledata; } /* min width is about 1600px due to the label */ w = 150.0 + 10.0 + time_to_graph(sampledata_last->sampletime - graph_start); w = ((w < 1600.0) ? 1600.0 : w); /* height is variable based on pss, psize, ksize */ h = 400.0 + (arg_scale_y * 30.0) /* base graphs and title */ + (arg_pss ? (100.0 * arg_scale_y) + (arg_scale_y * 7.0) : 0.0) /* pss estimate */ + psize + ksize + esize + (n_cpus * 15 * arg_scale_y); fprintf(of, "<?xml version=\"1.0\" standalone=\"no\"?>\n"); fprintf(of, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "); fprintf(of, "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"); //fprintf(of, "<g transform=\"translate(10,%d)\">\n", 1000 + 150 + (pcount * 20)); fprintf(of, "<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" ", w, h); fprintf(of, "xmlns=\"http://www.w3.org/2000/svg\">\n\n"); /* write some basic info as a comment, including some help */ fprintf(of, "<!-- This file is a bootchart SVG file. It is best rendered in a browser -->\n"); fprintf(of, "<!-- such as Chrome, Chromium, or Firefox. Other applications that -->\n"); fprintf(of, "<!-- render these files properly but more slowly are ImageMagick, gimp, -->\n"); fprintf(of, "<!-- inkscape, etc. To display the files on your system, just point -->\n"); fprintf(of, "<!-- your browser to file:///run/log/ and click. This bootchart was -->\n\n"); fprintf(of, "<!-- generated by bootchart version %s, running with options: -->\n", VERSION); fprintf(of, "<!-- hz=\"%f\" n=\"%d\" -->\n", arg_hz, arg_samples_len); fprintf(of, "<!-- x=\"%f\" y=\"%f\" -->\n", arg_scale_x, arg_scale_y); fprintf(of, "<!-- rel=\"%d\" f=\"%d\" -->\n", arg_relative, arg_filter); fprintf(of, "<!-- p=\"%d\" e=\"%d\" -->\n", arg_pss, arg_entropy); fprintf(of, "<!-- o=\"%s\" i=\"%s\" -->\n\n", arg_output_path, arg_init_path); /* style sheet */ fprintf(of, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); fprintf(of, " rect { stroke-width: 1; }\n"); fprintf(of, " rect.bg { fill: rgb(255,255,255); }\n"); fprintf(of, " rect.cpu { fill: rgb(64,64,240); stroke-width: 0; fill-opacity: 0.7; }\n"); fprintf(of, " rect.wait { fill: rgb(240,240,0); stroke-width: 0; fill-opacity: 0.7; }\n"); fprintf(of, " rect.bi { fill: rgb(240,128,128); stroke-width: 0; fill-opacity: 0.7; }\n"); fprintf(of, " rect.bo { fill: rgb(192,64,64); stroke-width: 0; fill-opacity: 0.7; }\n"); fprintf(of, " rect.ps { fill: rgb(192,192,192); stroke: rgb(128,128,128); fill-opacity: 0.7; }\n"); fprintf(of, " rect.krnl { fill: rgb(240,240,0); stroke: rgb(128,128,128); fill-opacity: 0.7; }\n"); fprintf(of, " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"); fprintf(of, " rect.clrw { stroke-width: 0; fill-opacity: 0.7;}\n"); fprintf(of, " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"); fprintf(of, "// line.sec1 { }\n"); fprintf(of, " line.sec5 { stroke-width: 2; }\n"); fprintf(of, " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"); fprintf(of, " line.dot { stroke-dasharray: 2 4; }\n"); fprintf(of, " line.idle { stroke: rgb(64,64,64); stroke-dasharray: 10 6; stroke-opacity: 0.7; }\n"); fprintf(of, " .run { font-size: 8; font-style: italic; }\n"); fprintf(of, " text { font-family: Verdana, Helvetica; font-size: 10; }\n"); fprintf(of, " text.sec { font-size: 8; }\n"); fprintf(of, " text.t1 { font-size: 24; }\n"); fprintf(of, " text.t2 { font-size: 12; }\n"); fprintf(of, " text.idle { font-size: 18; }\n"); fprintf(of, " ]]>\n </style>\n</defs>\n\n"); } static int svg_title(FILE *of, const char *build, int pscount, double log_start, int overrun) { _cleanup_free_ char *cmdline = NULL; _cleanup_free_ char *model = NULL; _cleanup_free_ char *buf = NULL; char date[256] = "Unknown"; char *cpu; char *c; time_t t; int r; struct utsname uts; r = read_one_line_file("/proc/cmdline", &cmdline); if (r < 0) { log_error_errno(r, "Unable to read cmdline: %m"); return r; } /* extract root fs so we can find disk model name in sysfs */ /* FIXME: this works only in the simple case */ c = strstr(cmdline, "root=/dev/"); if (c) { char rootbdev[4]; char filename[32]; strncpy(rootbdev, &c[10], sizeof(rootbdev) - 1); rootbdev[3] = '\0'; snprintf(filename, sizeof(filename), "/sys/block/%s/device/model", rootbdev); r = read_one_line_file(filename, &model); if (r < 0) log_info("Error reading disk model for %s: %m\n", rootbdev); } /* various utsname parameters */ r = uname(&uts); if (r < 0) { log_error("Error getting uname info\n"); return -errno; } /* date */ t = time(NULL); r = strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %z", localtime(&t)); assert_se(r > 0); /* CPU type */ r = read_full_file("/proc/cpuinfo", &buf, NULL); if (r < 0) return log_error_errno(r, "Unable to read cpuinfo: %m"); cpu = strstr(buf, "model name"); if (!cpu) { log_error("Unable to read module name from cpuinfo.\n"); return -ENOENT; } cpu += 13; c = strchr(cpu, '\n'); if (c) *c = '\0'; fprintf(of, "<text class=\"t1\" x=\"0\" y=\"30\">Bootchart for %s - %s</text>\n", uts.nodename, date); fprintf(of, "<text class=\"t2\" x=\"20\" y=\"50\">System: %s %s %s %s</text>\n", uts.sysname, uts.release, uts.version, uts.machine); fprintf(of, "<text class=\"t2\" x=\"20\" y=\"65\">CPU: %s</text>\n", cpu); if (model) fprintf(of, "<text class=\"t2\" x=\"20\" y=\"80\">Disk: %s</text>\n", model); fprintf(of, "<text class=\"t2\" x=\"20\" y=\"95\">Boot options: %s</text>\n", cmdline); fprintf(of, "<text class=\"t2\" x=\"20\" y=\"110\">Build: %s</text>\n", build); fprintf(of, "<text class=\"t2\" x=\"20\" y=\"125\">Log start time: %.03fs</text>\n", log_start); fprintf(of, "<text class=\"t2\" x=\"20\" y=\"140\">Idle time: "); if (idletime >= 0.0) fprintf(of, "%.03fs", idletime); else fprintf(of, "Not detected"); fprintf(of, "</text>\n"); fprintf(of, "<text class=\"sec\" x=\"20\" y=\"155\">Graph data: %.03f samples/sec, recorded %i total, dropped %i samples, %i processes, %i filtered</text>\n", arg_hz, arg_samples_len, overrun, pscount, pfiltered); return 0; } static void svg_graph_box(FILE *of, struct list_sample_data *head, int height, double graph_start) { double d = 0.0; int i = 0; double finalsample = 0.0; struct list_sample_data *sampledata_last; sampledata_last = head; LIST_FOREACH_BEFORE(link, sampledata, head) { sampledata_last = sampledata; } finalsample = sampledata_last->sampletime; /* outside box, fill */ fprintf(of, "<rect class=\"box\" x=\"%.03f\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(0.0), time_to_graph(finalsample - graph_start), ps_to_graph(height)); for (d = graph_start; d <= finalsample; d += (arg_scale_x < 2.0 ? 60.0 : arg_scale_x < 10.0 ? 1.0 : 0.1)) { /* lines for each second */ if (i % 50 == 0) fprintf(of, " <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n", time_to_graph(d - graph_start), time_to_graph(d - graph_start), ps_to_graph(height)); else if (i % 10 == 0) fprintf(of, " <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n", time_to_graph(d - graph_start), time_to_graph(d - graph_start), ps_to_graph(height)); else fprintf(of, " <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n", time_to_graph(d - graph_start), time_to_graph(d - graph_start), ps_to_graph(height)); /* time label */ if (i % 10 == 0) fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n", time_to_graph(d - graph_start), -5.0, d - graph_start); i++; } } /* xml comments must not contain "--" */ static char* xml_comment_encode(const char* name) { char *enc_name, *p; enc_name = strdup(name); if (!enc_name) return NULL; for (p = enc_name; *p; p++) if (p[0] == '-' && p[1] == '-') p[1] = '_'; return enc_name; } static void svg_pss_graph(FILE *of, struct list_sample_data *head, struct ps_struct *ps_first, double graph_start) { struct ps_struct *ps; int i; struct list_sample_data *sampledata_last; sampledata_last = head; LIST_FOREACH_BEFORE(link, sampledata, head) { sampledata_last = sampledata; } fprintf(of, "\n\n<!-- Pss memory size graph -->\n"); fprintf(of, "\n <text class=\"t2\" x=\"5\" y=\"-15\">Memory allocation - Pss</text>\n"); /* vsize 1000 == 1000mb */ svg_graph_box(of, head, 100, graph_start); /* draw some hlines for usable memory sizes */ for (i = 100000; i < 1000000; i += 100000) { fprintf(of, " <line class=\"sec01\" x1=\"%.03f\" y1=\"%.0f\" x2=\"%.03f\" y2=\"%.0f\"/>\n", time_to_graph(.0), kb_to_graph(i), time_to_graph(sampledata_last->sampletime - graph_start), kb_to_graph(i)); fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.0f\">%dM</text>\n", time_to_graph(sampledata_last->sampletime - graph_start) + 5, kb_to_graph(i), (1000000 - i) / 1000); } fprintf(of, "\n"); /* now plot the graph itself */ i = 1; prev_sampledata = head; LIST_FOREACH_BEFORE(link, sampledata, head) { int bottom; int top; struct ps_sched_struct *cross_place; bottom = 0; top = 0; /* put all the small pss blocks into the bottom */ ps = ps_first; while (ps->next_ps) { ps = ps->next_ps; if (!ps) continue; ps->sample = ps->first; while (ps->sample->next) { ps->sample = ps->sample->next; if (ps->sample->sampledata == sampledata) break; } if (ps->sample->sampledata == sampledata) { if (ps->sample->pss <= (100 * arg_scale_y)) top += ps->sample->pss; break; } } while (ps->sample->cross) { cross_place = ps->sample->cross; ps = ps->sample->cross->ps_new; ps->sample = cross_place; if (ps->sample->pss <= (100 * arg_scale_y)) top += ps->sample->pss; } fprintf(of, " <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", "rgb(64,64,64)", time_to_graph(prev_sampledata->sampletime - graph_start), kb_to_graph(1000000.0 - top), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), kb_to_graph(top - bottom)); bottom = top; /* now plot the ones that are of significant size */ ps = ps_first; while (ps->next_ps) { ps = ps->next_ps; if (!ps) continue; ps->sample = ps->first; while (ps->sample->next) { ps->sample = ps->sample->next; if (ps->sample->sampledata == sampledata) break; } /* don't draw anything smaller than 2mb */ if (ps->sample->sampledata != sampledata) continue; if (ps->sample->pss > (100 * arg_scale_y)) { top = bottom + ps->sample->pss; fprintf(of, " <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", colorwheel[ps->pid % 12], time_to_graph(prev_sampledata->sampletime - graph_start), kb_to_graph(1000000.0 - top), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), kb_to_graph(top - bottom)); bottom = top; } break; } while ((cross_place = ps->sample->cross)) { ps = ps->sample->cross->ps_new; ps->sample = cross_place; if (ps->sample->pss > (100 * arg_scale_y)) { top = bottom + ps->sample->pss; fprintf(of, " <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", colorwheel[ps->pid % 12], time_to_graph(prev_sampledata->sampletime - graph_start), kb_to_graph(1000000.0 - top), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), kb_to_graph(top - bottom)); bottom = top; } } prev_sampledata = sampledata; i++; } /* overlay all the text labels */ i = 1; LIST_FOREACH_BEFORE(link, sampledata, head) { int bottom; int top = 0; struct ps_sched_struct *prev_sample; struct ps_sched_struct *cross_place; /* put all the small pss blocks into the bottom */ ps = ps_first->next_ps; while (ps->next_ps) { ps = ps->next_ps; if (!ps) continue; ps->sample = ps->first; while (ps->sample->next) { ps->sample = ps->sample->next; if (ps->sample->sampledata == sampledata) break; } if (ps->sample->sampledata == sampledata) { if (ps->sample->pss <= (100 * arg_scale_y)) top += ps->sample->pss; break; } } while ((cross_place = ps->sample->cross)) { ps = ps->sample->cross->ps_new; ps->sample = cross_place; if (ps->sample->pss <= (100 * arg_scale_y)) top += ps->sample->pss; } bottom = top; /* now plot the ones that are of significant size */ ps = ps_first; while (ps->next_ps) { prev_sample = ps->sample; ps = ps->next_ps; if (!ps) continue; ps->sample = ps->first; while (ps->sample->next) { prev_sample = ps->sample; ps->sample = ps->sample->next; if (ps->sample->sampledata == sampledata) break; } /* don't draw anything smaller than 2mb */ if (ps->sample->sampledata == sampledata) { if (ps->sample->pss > (100 * arg_scale_y)) { top = bottom + ps->sample->pss; /* draw a label with the process / PID */ if ((i == 1) || (prev_sample->pss <= (100 * arg_scale_y))) fprintf(of, " <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]</text>\n", time_to_graph(sampledata->sampletime - graph_start), kb_to_graph(1000000.0 - bottom - ((top - bottom) / 2)), ps->name, ps->pid); bottom = top; } break; } } while ((cross_place = ps->sample->cross)) { ps = ps->sample->cross->ps_new; ps->sample = cross_place; prev_sample = ps->sample->prev; if (ps->sample->pss > (100 * arg_scale_y)) { top = bottom + ps->sample->pss; /* draw a label with the process / PID */ if ((i == 1) || (prev_sample->pss <= (100 * arg_scale_y))) fprintf(of, " <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]</text>\n", time_to_graph(sampledata->sampletime - graph_start), kb_to_graph(1000000.0 - bottom - ((top - bottom) / 2)), ps->name, ps->pid); bottom = top; } } i++; } /* debug output - full data dump */ fprintf(of, "\n\n<!-- PSS map - csv format -->\n"); ps = ps_first; while (ps->next_ps) { _cleanup_free_ char *enc_name = NULL; ps = ps->next_ps; if (!ps) continue; enc_name = xml_comment_encode(ps->name); if (!enc_name) continue; fprintf(of, "<!-- %s [%d] pss=", enc_name, ps->pid); ps->sample = ps->first; while (ps->sample->next) { ps->sample = ps->sample->next; fprintf(of, "%d," , ps->sample->pss); } fprintf(of, " -->\n"); } } static void svg_io_bi_bar(FILE *of, struct list_sample_data *head, int n_samples, double graph_start, double interval) { double max = 0.0; double range; int max_here = 0; int i; int k; struct list_sample_data *start_sampledata; struct list_sample_data *stop_sampledata; fprintf(of, "<!-- IO utilization graph - In -->\n"); fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">IO utilization - read</text>\n"); /* * calculate rounding range * * We need to round IO data since IO block data is not updated on * each poll. Applying a smoothing function loses some burst data, * so keep the smoothing range short. */ range = 0.25 / (1.0 / arg_hz); if (range < 2.0) range = 2.0; /* no smoothing */ /* surrounding box */ svg_graph_box(of, head, 5, graph_start); /* find the max IO first */ i = 1; LIST_FOREACH_BEFORE(link, sampledata, head) { int start; int stop; int diff; double tot; start = MAX(i - ((range / 2) - 1), 0); stop = MIN(i + (range / 2), n_samples - 1); diff = (stop - start); start_sampledata = sampledata; stop_sampledata = sampledata; for (k = 0; k < ((range/2) - 1) && start_sampledata->link_next; k++) start_sampledata = start_sampledata->link_next; for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++) stop_sampledata = stop_sampledata->link_prev; tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi) / diff; if (tot > max) { max = tot; max_here = i; } tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo) / diff; if (tot > max) max = tot; i++; } /* plot bi */ i = 1; prev_sampledata = head; LIST_FOREACH_BEFORE(link, sampledata, head) { int start; int stop; int diff; double tot; double pbi = 0; start = MAX(i - ((range / 2) - 1), 0); stop = MIN(i + (range / 2), n_samples); diff = (stop - start); start_sampledata = sampledata; stop_sampledata = sampledata; for (k = 0; k < ((range/2)-1) && start_sampledata->link_next; k++) start_sampledata = start_sampledata->link_next; for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++) stop_sampledata = stop_sampledata->link_prev; tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi) / diff; if (max > 0) pbi = tot / max; if (pbi > 0.001) fprintf(of, "<rect class=\"bi\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev_sampledata->sampletime - graph_start), (arg_scale_y * 5) - (pbi * (arg_scale_y * 5)), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), pbi * (arg_scale_y * 5)); /* labels around highest value */ if (i == max_here) fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\">%0.2fmb/sec</text>\n", time_to_graph(sampledata->sampletime - graph_start) + 5, ((arg_scale_y * 5) - (pbi * (arg_scale_y * 5))) + 15, max / 1024.0 / (interval / 1000000000.0)); i++; prev_sampledata = sampledata; } } static void svg_io_bo_bar(FILE *of, struct list_sample_data *head, int n_samples, double graph_start, double interval) { double max = 0.0; double range; int max_here = 0; int i; int k; struct list_sample_data *start_sampledata; struct list_sample_data *stop_sampledata; fprintf(of, "<!-- IO utilization graph - out -->\n"); fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">IO utilization - write</text>\n"); /* * calculate rounding range * * We need to round IO data since IO block data is not updated on * each poll. Applying a smoothing function loses some burst data, * so keep the smoothing range short. */ range = 0.25 / (1.0 / arg_hz); if (range < 2.0) range = 2.0; /* no smoothing */ /* surrounding box */ svg_graph_box(of, head, 5, graph_start); /* find the max IO first */ i = 0; LIST_FOREACH_BEFORE(link, sampledata, head) { int start; int stop; int diff; double tot; start = MAX(i - ((range / 2) - 1), 0); stop = MIN(i + (range / 2), n_samples - 1); diff = (stop - start); start_sampledata = sampledata; stop_sampledata = sampledata; for (k = 0; k < (range/2) - 1 && start_sampledata->link_next; k++) start_sampledata = start_sampledata->link_next; for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++) stop_sampledata = stop_sampledata->link_prev; tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi) / diff; if (tot > max) max = tot; tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo) / diff; if (tot > max) { max = tot; max_here = i; } i++; } /* plot bo */ prev_sampledata = head; i = 1; LIST_FOREACH_BEFORE(link, sampledata, head) { int start, stop, diff; double tot, pbo; pbo = 0; start = MAX(i - ((range / 2) - 1), 0); stop = MIN(i + (range / 2), n_samples); diff = (stop - start); start_sampledata = sampledata; stop_sampledata = sampledata; for (k = 0; k < ((range/2)-1) && start_sampledata->link_next; k++) start_sampledata = start_sampledata->link_next; for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++) stop_sampledata = stop_sampledata->link_prev; tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo) / diff; if (max > 0) pbo = tot / max; if (pbo > 0.001) fprintf(of, "<rect class=\"bo\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev_sampledata->sampletime - graph_start), (arg_scale_y * 5) - (pbo * (arg_scale_y * 5)), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), pbo * (arg_scale_y * 5)); /* labels around highest bo value */ if (i == max_here) fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\">%0.2fmb/sec</text>\n", time_to_graph(sampledata->sampletime - graph_start) + 5, ((arg_scale_y * 5) - (pbo * (arg_scale_y * 5))), max / 1024.0 / (interval / 1000000000.0)); i++; prev_sampledata = sampledata; } } static void svg_cpu_bar(FILE *of, struct list_sample_data *head, int n_cpus, int cpu_num, double graph_start) { fprintf(of, "<!-- CPU utilization graph -->\n"); if (cpu_num < 0) fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[overall] utilization</text>\n"); else fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[%d] utilization</text>\n", cpu_num); /* surrounding box */ svg_graph_box(of, head, 5, graph_start); /* bars for each sample, proportional to the CPU util. */ prev_sampledata = head; LIST_FOREACH_BEFORE(link, sampledata, head) { int c; double trt; double ptrt; ptrt = trt = 0.0; if (cpu_num < 0) for (c = 0; c < n_cpus; c++) trt += sampledata->runtime[c] - prev_sampledata->runtime[c]; else trt = sampledata->runtime[cpu_num] - prev_sampledata->runtime[cpu_num]; trt = trt / 1000000000.0; if (cpu_num < 0) trt = trt / (double)n_cpus; if (trt > 0.0) ptrt = trt / (sampledata->sampletime - prev_sampledata->sampletime); if (ptrt > 1.0) ptrt = 1.0; if (ptrt > 0.001) fprintf(of, "<rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev_sampledata->sampletime - graph_start), (arg_scale_y * 5) - (ptrt * (arg_scale_y * 5)), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), ptrt * (arg_scale_y * 5)); prev_sampledata = sampledata; } } static void svg_wait_bar(FILE *of, struct list_sample_data *head, int n_cpus, int cpu_num, double graph_start) { fprintf(of, "<!-- Wait time aggregation box -->\n"); if (cpu_num < 0) fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[overall] wait</text>\n"); else fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[%d] wait</text>\n", cpu_num); /* surrounding box */ svg_graph_box(of, head, 5, graph_start); /* bars for each sample, proportional to the CPU util. */ prev_sampledata = head; LIST_FOREACH_BEFORE(link, sampledata, head) { int c; double twt; double ptwt; ptwt = twt = 0.0; if (cpu_num < 0) for (c = 0; c < n_cpus; c++) twt += sampledata->waittime[c] - prev_sampledata->waittime[c]; else twt = sampledata->waittime[cpu_num] - prev_sampledata->waittime[cpu_num]; twt = twt / 1000000000.0; if (cpu_num < 0) twt = twt / (double)n_cpus; if (twt > 0.0) ptwt = twt / (sampledata->sampletime - prev_sampledata->sampletime); if (ptwt > 1.0) ptwt = 1.0; if (ptwt > 0.001) fprintf(of, "<rect class=\"wait\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev_sampledata->sampletime - graph_start), ((arg_scale_y * 5) - (ptwt * (arg_scale_y * 5))), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), ptwt * (arg_scale_y * 5)); prev_sampledata = sampledata; } } static void svg_entropy_bar(FILE *of, struct list_sample_data *head, double graph_start) { fprintf(of, "<!-- entropy pool graph -->\n"); fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">Entropy pool size</text>\n"); /* surrounding box */ svg_graph_box(of, head, 5, graph_start); /* bars for each sample, scale 0-4096 */ prev_sampledata = head; LIST_FOREACH_BEFORE(link, sampledata, head) { fprintf(of, "<rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev_sampledata->sampletime - graph_start), ((arg_scale_y * 5) - ((sampledata->entropy_avail / 4096.) * (arg_scale_y * 5))), time_to_graph(sampledata->sampletime - prev_sampledata->sampletime), (sampledata->entropy_avail / 4096.) * (arg_scale_y * 5)); prev_sampledata = sampledata; } } static struct ps_struct *get_next_ps(struct ps_struct *ps, struct ps_struct *ps_first) { /* * walk the list of processes and return the next one to be * painted */ if (ps == ps_first) return ps->next_ps; /* go deep */ if (ps->children) return ps->children; /* find siblings */ if (ps->next) return ps->next; /* go back for parent siblings */ for (;;) { if (ps->parent && ps->parent->next) return ps->parent->next; ps = ps->parent; if (!ps) return ps; } return NULL; } static bool ps_filter(struct ps_struct *ps) { if (!arg_filter) return false; /* can't draw data when there is only 1 sample (need start + stop) */ if (ps->first == ps->last) return true; /* don't filter kthreadd */ if (ps->pid == 2) return false; /* drop stuff that doesn't use any real CPU time */ if (ps->total <= 0.001) return true; return 0; } static void svg_do_initcall(FILE *of, struct list_sample_data *head, int count_only, double graph_start) { _cleanup_pclose_ FILE *f = NULL; double t; char func[256]; int ret; int usecs; /* can't plot initcall when disabled or in relative mode */ if (!arg_initcall || arg_relative) { kcount = 0; return; } if (!count_only) { fprintf(of, "<!-- initcall -->\n"); fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">Kernel init threads</text>\n"); /* surrounding box */ svg_graph_box(of, head, kcount, graph_start); } kcount = 0; /* * Initcall graphing - parses dmesg buffer and displays kernel threads * This somewhat uses the same methods and scaling to show processes * but looks a lot simpler. It's overlaid entirely onto the PS graph * when appropriate. */ f = popen("dmesg", "r"); if (!f) return; while (!feof(f)) { int c; int z = 0; char l[256]; if (fgets(l, sizeof(l) - 1, f) == NULL) continue; c = sscanf(l, "[%lf] initcall %s %*s %d %*s %d %*s", &t, func, &ret, &usecs); if (c != 4) { /* also parse initcalls done by module loading */ c = sscanf(l, "[%lf] initcall %s %*s %*s %d %*s %d %*s", &t, func, &ret, &usecs); if (c != 4) continue; } /* chop the +0xXX/0xXX stuff */ while(func[z] != '+') z++; func[z] = 0; if (count_only) { /* filter out irrelevant stuff */ if (usecs >= 1000) kcount++; continue; } fprintf(of, "<!-- thread=\"%s\" time=\"%.3f\" elapsed=\"%d\" result=\"%d\" -->\n", func, t, usecs, ret); if (usecs < 1000) continue; /* rect */ fprintf(of, " <rect class=\"krnl\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(t - (usecs / 1000000.0)), ps_to_graph(kcount), time_to_graph(usecs / 1000000.0), ps_to_graph(1)); /* label */ fprintf(of, " <text x=\"%.03f\" y=\"%.03f\">%s <tspan class=\"run\">%.03fs</tspan></text>\n", time_to_graph(t - (usecs / 1000000.0)) + 5, ps_to_graph(kcount) + 15, func, usecs / 1000000.0); kcount++; } } static void svg_ps_bars(FILE *of, struct list_sample_data *head, int n_samples, int n_cpus, struct ps_struct *ps_first, double graph_start, double interval) { struct ps_struct *ps; int i = 0; int j = 0; int pid; double w = 0.0; fprintf(of, "<!-- Process graph -->\n"); fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">Processes</text>\n"); /* surrounding box */ svg_graph_box(of, head, pcount, graph_start); /* pass 2 - ps boxes */ ps = ps_first; while ((ps = get_next_ps(ps, ps_first))) { _cleanup_free_ char *enc_name = NULL, *escaped = NULL; double endtime; double starttime; int t; if (!utf8_is_printable(ps->name, strlen(ps->name))) escaped = utf8_escape_non_printable(ps->name); enc_name = xml_comment_encode(escaped ? escaped : ps->name); if (!enc_name) continue; /* leave some trace of what we actually filtered etc. */ fprintf(of, "<!-- %s [%i] ppid=%i runtime=%.03fs -->\n", enc_name, ps->pid, ps->ppid, ps->total); starttime = ps->first->sampledata->sampletime; if (!ps_filter(ps)) { /* remember where _to_ our children need to draw a line */ ps->pos_x = time_to_graph(starttime - graph_start); ps->pos_y = ps_to_graph(j+1); /* bottom left corner */ } else if (ps->parent){ /* hook children to our parent coords instead */ ps->pos_x = ps->parent->pos_x; ps->pos_y = ps->parent->pos_y; /* if this is the last child, we might still need to draw a connecting line */ if ((!ps->next) && (ps->parent)) fprintf(of, " <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n", ps->parent->pos_x, ps_to_graph(j-1) + 10.0, /* whee, use the last value here */ ps->parent->pos_x, ps->parent->pos_y); continue; } endtime = ps->last->sampledata->sampletime; fprintf(of, " <rect class=\"ps\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(starttime - graph_start), ps_to_graph(j), time_to_graph(ps->last->sampledata->sampletime - starttime), ps_to_graph(1)); /* paint cpu load over these */ ps->sample = ps->first; t = 1; while (ps->sample->next) { double rt, prt; double wt, wrt; struct ps_sched_struct *prev; prev = ps->sample; ps->sample = ps->sample->next; /* calculate over interval */ rt = ps->sample->runtime - prev->runtime; wt = ps->sample->waittime - prev->waittime; prt = (rt / 1000000000) / (ps->sample->sampledata->sampletime - prev->sampledata->sampletime); wrt = (wt / 1000000000) / (ps->sample->sampledata->sampletime - prev->sampledata->sampletime); /* this can happen if timekeeping isn't accurate enough */ if (prt > 1.0) prt = 1.0; if (wrt > 1.0) wrt = 1.0; if ((prt < 0.1) && (wrt < 0.1)) /* =~ 26 (color threshold) */ continue; fprintf(of, " <rect class=\"wait\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev->sampledata->sampletime - graph_start), ps_to_graph(j), time_to_graph(ps->sample->sampledata->sampletime - prev->sampledata->sampletime), ps_to_graph(wrt)); /* draw cpu over wait - TODO figure out how/why run + wait > interval */ fprintf(of, " <rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", time_to_graph(prev->sampledata->sampletime - graph_start), ps_to_graph(j + (1.0 - prt)), time_to_graph(ps->sample->sampledata->sampletime - prev->sampledata->sampletime), ps_to_graph(prt)); t++; } /* determine where to display the process name */ if ((endtime - starttime) < 1.5) /* too small to fit label inside the box */ w = endtime; else w = starttime; /* text label of process name */ fprintf(of, " <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]<tspan class=\"run\">%.03fs</tspan> %s</text>\n", time_to_graph(w - graph_start) + 5.0, ps_to_graph(j) + 14.0, escaped ? escaped : ps->name, ps->pid, (ps->last->runtime - ps->first->runtime) / 1000000000.0, arg_show_cgroup ? ps->cgroup : ""); /* paint lines to the parent process */ if (ps->parent) { /* horizontal part */ fprintf(of, " <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n", time_to_graph(starttime - graph_start), ps_to_graph(j) + 10.0, ps->parent->pos_x, ps_to_graph(j) + 10.0); /* one vertical line connecting all the horizontal ones up */ if (!ps->next) fprintf(of, " <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n", ps->parent->pos_x, ps_to_graph(j) + 10.0, ps->parent->pos_x, ps->parent->pos_y); } j++; /* count boxes */ fprintf(of, "\n"); } /* last pass - determine when idle */ pid = getpid(); /* make sure we start counting from the point where we actually have * data: assume that bootchart's first sample is when data started */ ps = ps_first; while (ps->next_ps) { ps = ps->next_ps; if (ps->pid == pid) break; } /* need to know last node first */ ps->sample = ps->first; i = ps->sample->next->sampledata->counter; while (ps->sample->next && i<(n_samples-(arg_hz/2))) { double crt; double brt; int c; int ii; struct ps_sched_struct *sample_hz; ps->sample = ps->sample->next; sample_hz = ps->sample; for (ii = 0; (ii < (int)arg_hz/2) && sample_hz->next; ii++) sample_hz = sample_hz->next; /* subtract bootchart cpu utilization from total */ crt = 0.0; for (c = 0; c < n_cpus; c++) crt += sample_hz->sampledata->runtime[c] - ps->sample->sampledata->runtime[c]; brt = sample_hz->runtime - ps->sample->runtime; /* * our definition of "idle": * * if for (hz / 2) we've used less CPU than (interval / 2) ... * defaults to 4.0%, which experimentally, is where atom idles */ if ((crt - brt) < (interval / 2.0)) { idletime = ps->sample->sampledata->sampletime - graph_start; fprintf(of, "\n<!-- idle detected at %.03f seconds -->\n", idletime); fprintf(of, "<line class=\"idle\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n", time_to_graph(idletime), -arg_scale_y, time_to_graph(idletime), ps_to_graph(pcount) + arg_scale_y); fprintf(of, "<text class=\"idle\" x=\"%.03f\" y=\"%.03f\">%.01fs</text>\n", time_to_graph(idletime) + 5.0, ps_to_graph(pcount) + arg_scale_y, idletime); break; } i++; } } static void svg_top_ten_cpu(FILE *of, struct ps_struct *ps_first) { struct ps_struct *top[10]; struct ps_struct emptyps = {}; struct ps_struct *ps; int n, m; for (n = 0; n < (int) ELEMENTSOF(top); n++) top[n] = &emptyps; /* walk all ps's and setup ptrs */ ps = ps_first; while ((ps = get_next_ps(ps, ps_first))) { for (n = 0; n < 10; n++) { if (ps->total <= top[n]->total) continue; /* cascade insert */ for (m = 9; m > n; m--) top[m] = top[m-1]; top[n] = ps; break; } } fprintf(of, "<text class=\"t2\" x=\"20\" y=\"0\">Top CPU consumers:</text>\n"); for (n = 0; n < 10; n++) fprintf(of, "<text class=\"t3\" x=\"20\" y=\"%d\">%3.03fs - <![CDATA[%s]]> [%d]</text>\n", 20 + (n * 13), top[n]->total, top[n]->name, top[n]->pid); } static void svg_top_ten_pss(FILE *of, struct ps_struct *ps_first) { struct ps_struct *top[10]; struct ps_struct emptyps = {}; struct ps_struct *ps; int n, m; for (n = 0; n < (int) ELEMENTSOF(top); n++) top[n] = &emptyps; /* walk all ps's and setup ptrs */ ps = ps_first; while ((ps = get_next_ps(ps, ps_first))) { for (n = 0; n < 10; n++) { if (ps->pss_max <= top[n]->pss_max) continue; /* cascade insert */ for (m = 9; m > n; m--) top[m] = top[m-1]; top[n] = ps; break; } } fprintf(of, "<text class=\"t2\" x=\"20\" y=\"0\">Top PSS consumers:</text>\n"); for (n = 0; n < 10; n++) fprintf(of, "<text class=\"t3\" x=\"20\" y=\"%d\">%dK - <![CDATA[%s]]> [%d]</text>\n", 20 + (n * 13), top[n]->pss_max, top[n]->name, top[n]->pid); } int svg_do(FILE *of, const char *build, struct list_sample_data *head, struct ps_struct *ps_first, int n_samples, int pscount, int n_cpus, double graph_start, double log_start, double interval, int overrun) { struct ps_struct *ps; double offset = 7; int r, c; sampledata = head; LIST_FIND_TAIL(link, sampledata, head); ps = ps_first; /* count initcall thread count first */ svg_do_initcall(of, head, 1, graph_start); ksize = kcount ? ps_to_graph(kcount) + (arg_scale_y * 2) : 0; /* then count processes */ while ((ps = get_next_ps(ps, ps_first))) { if (!ps_filter(ps)) pcount++; else pfiltered++; } psize = ps_to_graph(pcount) + (arg_scale_y * 2); esize = (arg_entropy ? arg_scale_y * 7 : 0); /* after this, we can draw the header with proper sizing */ svg_header(of, head, graph_start, arg_percpu ? n_cpus : 0); fprintf(of, "<rect class=\"bg\" width=\"100%%\" height=\"100%%\" />\n\n"); fprintf(of, "<g transform=\"translate(10,400)\">\n"); svg_io_bi_bar(of, head, n_samples, graph_start, interval); fprintf(of, "</g>\n\n"); fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset)); svg_io_bo_bar(of, head, n_samples, graph_start, interval); fprintf(of, "</g>\n\n"); for (c = -1; c < (arg_percpu ? n_cpus : 0); c++) { offset += 7; fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset)); svg_cpu_bar(of, head, n_cpus, c, graph_start); fprintf(of, "</g>\n\n"); offset += 7; fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset)); svg_wait_bar(of, head, n_cpus, c, graph_start); fprintf(of, "</g>\n\n"); } if (kcount) { offset += 7; fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset)); svg_do_initcall(of, head, 0, graph_start); fprintf(of, "</g>\n\n"); } offset += 7; fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize); svg_ps_bars(of, head, n_samples, n_cpus, ps_first, graph_start, interval); fprintf(of, "</g>\n\n"); fprintf(of, "<g transform=\"translate(10, 0)\">\n"); r = svg_title(of, build, pscount, log_start, overrun); fprintf(of, "</g>\n\n"); if (r < 0) return r; fprintf(of, "<g transform=\"translate(10,200)\">\n"); svg_top_ten_cpu(of, ps_first); fprintf(of, "</g>\n\n"); if (arg_entropy) { fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize + psize); svg_entropy_bar(of, head, graph_start); fprintf(of, "</g>\n\n"); } if (arg_pss) { fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize + psize + esize); svg_pss_graph(of, head, ps_first, graph_start); fprintf(of, "</g>\n\n"); fprintf(of, "<g transform=\"translate(410,200)\">\n"); svg_top_ten_pss(of, ps_first); fprintf(of, "</g>\n\n"); } /* fprintf footer */ fprintf(of, "\n</svg>\n"); return 0; }