diff options
Diffstat (limited to 'toys')
| -rw-r--r-- | toys/posix/ps.c | 145 |
1 files changed, 69 insertions, 76 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c index fc875832..0dee6bd1 100644 --- a/toys/posix/ps.c +++ b/toys/posix/ps.c @@ -43,8 +43,8 @@ USE_PS(NEWTOY(ps, "k(sort)*P(ppid)*aAdeflMno*O*p(pid)*s*t*u*U*g*G*wZ[!ol][+Ae]", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE)) // stayroot because iotop needs root to read other process' proc/$$/io -USE_TOP(NEWTOY(top, ">0m" "h:k*o*p*u*s#<1=9d#=3<1n#<1bq", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE)) -USE_IOTOP(NEWTOY(iotop, ">0AaKO" "h:k*o*p*u*s#<1=7d#=3<1n#<1bq", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_STAYROOT|TOYFLAG_LOCALE)) +USE_TOP(NEWTOY(top, ">0m" "k*o*p*u*s#<1=9d#=3<1n#<1bq", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE)) +USE_IOTOP(NEWTOY(iotop, ">0AaKO" "k*o*p*u*s#<1=7d#=3<1n#<1bq", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_STAYROOT|TOYFLAG_LOCALE)) USE_PGREP(NEWTOY(pgrep, "?cld:u*U*t*s*P*g*G*fnovxL:", TOYFLAG_USR|TOYFLAG_BIN)) USE_PKILL(NEWTOY(pkill, "Vu*U*t*s*P*g*G*fnovxl:", TOYFLAG_USR|TOYFLAG_BIN)) @@ -124,16 +124,10 @@ config TOP Show process activity in real time. - -h Header (default Tasks: %PID, %S=R running, %S=S sleeping, %S -k Fallback sort FIELDS (default -S,-%CPU,-ETIME,-PID) -o Show FIELDS (def PID,USER,PR,NI,VIRT,RES,SHR,S,%CPU,%MEM,TIME+,CMDLINE) -s Sort by field number (1-X, default 9) - Default header is: - Tasks: %PID, %S=R= running, %S=S= sleeping, %S=T= stopped, %S=Z= zombie\n - Mem: %10KMEM total, %10KMUSED used, %10KMFREE free, %10KBUF buffers - Swap: %9KSWAP total, %10KSWUSED used, %10KSWFREE free, %10K - H toggle threads C,1 toggle SMP @@ -240,7 +234,6 @@ GLOBALS( struct arg_list *p; struct arg_list *o; struct arg_list *k; - char *h; } top; struct{ char *L; @@ -1149,8 +1142,18 @@ static int merge_deltas(long long *oslot, long long *nslot) return 1; } -static void top_common(char *intro, - int (*filter)(long long *oslot, long long *nslot)) +static int header_line(int line, int rev) +{ + if (!line) return 0; + + printf("%s%*.*s%s\r\n", rev ? "\033[7m" : "", + (toys.optflags&FLAG_b) ? 0 : -TT.width, TT.width, toybuf, + rev ? "\033[0m" : ""); + + return line-1; +} + +static void top_common(int (*filter)(long long *oslot, long long *nslot)) { struct timespec ts; long long timeout = 0, now; @@ -1158,12 +1161,11 @@ static void top_common(char *intro, struct carveup **tb; int count; } plist[2], *plold, *plnew, old, new, mix; - char scratch[16], *header; + char scratch[16]; unsigned tock = 0; int i, lines, topoff = 0, done = 0; TT.bits = get_headers(TT.fields, toybuf, sizeof(toybuf)); - header = xstrdup(toybuf); *scratch = 0; memset(plist, 0, sizeof(plist)); do { @@ -1214,73 +1216,66 @@ static void top_common(char *intro, // We will re-fetch no data before its time. - Mork calling Orson Welles for (;;) { - int and, or, not, xor; - char *pos, *pct, *end=end, buf[32], was, is; + char *pos, *end=end, was, is; qsort(mix.tb, mix.count, sizeof(struct carveup *), (void *)ksort); lines = TT.height; if (!(toys.optflags&FLAG_b)) printf("\033[H\033[J"); if (!(toys.optflags&FLAG_q)) { - - // Show intro lines, parsing printf-ish escapes - i = 0; - pos = end = TT.top.h ? TT.top.h : intro; - for (;;) { - if (i==sizeof(toybuf)-8) error_exit("tilt"); - toybuf[i] = 0; - if (end && end<=pos) end = next_printf(pos, &pct); - - // Not an %escape sequence? - if (!end || pct>pos) { - char c = *pos; - - if (c=='\\') { - if ((or = unescape(*++pos))) c = or; - else if (!*pos) error_exit("bad -h \\"); + if (*toys.which->name == 't') { + long run[6]; + struct strawberry alluc; + + alluc.which = PS_S; + memset(run, 0, sizeof(run)); + for (i = 0; i<mix.count; i++) + run[1+stridx("RSTZ", *string_field(mix.tb[i], &alluc))]++; + + sprintf(toybuf, + "Tasks: %d total,%4ld running,%4ld sleeping,%4ld stopped," + "%4ld zombie", mix.count, run[1], run[2], run[3], run[4]); + lines = header_line(lines, 0); + + if (readfile("/proc/meminfo", toybuf, sizeof(toybuf))) { + for (i=0; i<6; i++) { + pos = strafter(toybuf, (char *[]){"MemTotal:","\nMemFree:", + "\nBuffers:","\nCached:","\nSwapTotal:","\nSwapFree:"}[i]); + run[i] = pos ? atol(pos) : 0; } - - if (c=='\t') { - and = 8-utf8len(toybuf); - while (and--) toybuf[i++] = ' '; - } else if (!c || '\n'==c) { - draw_str(toybuf, TT.width); - putchar('\r'); - putchar('\n'); - if (1>--lines) break; - i = 0; - if (!c) break; - } else toybuf[i++] = c; - - // Escape sequences - } else if (pct) { - not = -1; - for (and = or = 0; and < ARRAY_LEN(typos); and++) { - xor = strlen(typos[and].name); - if (xor>or && !strncasecmp(typos[and].name, end, xor)) { - not = and; - or = xor; - } - } - if (!or) error_exit("bad -h '%.16ss'", end); - snprintf(buf, sizeof(buf)-1, "%.*s", (int)(end-pct), pct); - strcat(buf, "s"); - pos = (end += or); - - or = *pos; - if (or == '=') { - for (pos++; *pos && *pos != '='; pos++); - if (!*pos++) error_exit("-h bad ="); - } - // i += snprintf(toybuf+i, sizeof(toybuf)-i, "[%s]", buf); - i += snprintf(toybuf+i, sizeof(toybuf)-i, "{%d}", not); - // for (and = 0; and<mix.count; and++) { } - - pos--; + sprintf(toybuf, + "Mem:%10ldk total,%9ldk used,%9ldk free,%9ldk buffers", + run[0], run[0]-run[1], run[1], run[2]); + lines = header_line(lines, 0); + sprintf(toybuf, + "Swap:%9ldk total,%9ldk used,%9ldk free,%9ldk cached", + run[4], run[4]-run[5], run[5], run[3]); + lines = header_line(lines, 0); + } + } else { + struct strawberry *fields; + struct carveup tb; + + memset(&tb, 0, sizeof(struct carveup)); + pos = stpcpy(toybuf, "Totals:"); + for (fields = TT.fields; fields; fields = fields->next) { + long long ll, bits = 0; + int slot = typos[fields->which].slot&63; + + if (fields->which<PS_C || fields->which>PS_DIO) continue; + ll = 1LL<<fields->which; + if (bits&ll) continue; + bits |= ll; + for (i=0; i<mix.count; i++) + tb.slot[slot] += mix.tb[i]->slot[slot]; + pos += snprintf(pos, sizeof(toybuf)/2-(pos-toybuf), + " %s: %*s,", typos[fields->which].name, + fields->len, string_field(&tb, fields)); } - pos++; + *--pos = 0; + lines = header_line(lines, 0); } - strcpy(pos = toybuf, header); + get_headers(TT.fields, pos = toybuf, sizeof(toybuf)); for (i = 0, is = *pos; *pos; pos++) { was = is; is = *pos; @@ -1288,9 +1283,7 @@ static void top_common(char *intro, if (!isspace(was) && isspace(is) && i==TT.sortpos+1) *pos = ']'; } *pos = 0; - printf("\033[7m%*.*s\033[0m\n\r", - (toys.optflags&FLAG_b) ? 0 : -TT.width, TT.width, toybuf); - lines--; + lines = header_line(lines, 1); if (!(toys.optflags&FLAG_b)) terminal_probesize(&TT.width, &TT.height); @@ -1379,7 +1372,7 @@ void top_main(void) top_setup( "PID,USER,PR,NI,VIRT,RES,SHR,S,%CPU,%MEM,TIME+,ARGS", "-%CPU,-ETIME,-PID"); - top_common("top", merge_deltas); + top_common(merge_deltas); } #define CLEANUP_top @@ -1403,7 +1396,7 @@ void iotop_main(void) s2 = xmprintf("-%sIO,-ETIME,-PID",d)); free(s1); free(s2); - top_common("iotop", iotop_filter); + top_common(iotop_filter); } // pkill's plumbing wrap's pgrep's and thus mostly takes place in pgrep's flag |