diff options
Diffstat (limited to 'src/libps')
| -rw-r--r-- | src/libps/deps-lib/s6ps | 7 | ||||
| -rw-r--r-- | src/libps/s6ps_grcache.c | 67 | ||||
| -rw-r--r-- | src/libps/s6ps_otree.c | 100 | ||||
| -rw-r--r-- | src/libps/s6ps_pfield.c | 561 | ||||
| -rw-r--r-- | src/libps/s6ps_pwcache.c | 67 | ||||
| -rw-r--r-- | src/libps/s6ps_statparse.c | 186 | ||||
| -rw-r--r-- | src/libps/s6ps_ttycache.c | 138 | ||||
| -rw-r--r-- | src/libps/s6ps_wchan.c | 96 |
8 files changed, 0 insertions, 1222 deletions
diff --git a/src/libps/deps-lib/s6ps b/src/libps/deps-lib/s6ps deleted file mode 100644 index 0f078a6..0000000 --- a/src/libps/deps-lib/s6ps +++ /dev/null @@ -1,7 +0,0 @@ -s6ps_grcache.o -s6ps_otree.o -s6ps_pfield.o -s6ps_pwcache.o -s6ps_statparse.o -s6ps_ttycache.o -s6ps_wchan.o diff --git a/src/libps/s6ps_grcache.c b/src/libps/s6ps_grcache.c deleted file mode 100644 index 189f5ae..0000000 --- a/src/libps/s6ps_grcache.c +++ /dev/null @@ -1,67 +0,0 @@ -/* ISC license. */ - -#include <stdint.h> - -#include <grp.h> -#include <errno.h> -#include <skalibs/types.h> -#include <skalibs/stralloc.h> -#include <skalibs/genalloc.h> -#include <skalibs/skamisc.h> -#include <skalibs/avltree.h> - -#include "s6-ps.h" - -static avltree grcache_tree = AVLTREE_ZERO ; -static genalloc grcache_index = GENALLOC_ZERO ; - -int s6ps_grcache_init (void) -{ - avltree_init(&grcache_tree, 5, 3, 8, &left_dtok, &uint32_cmp, &grcache_index) ; - return 1 ; -} - -void s6ps_grcache_finish (void) -{ - avltree_free(&grcache_tree) ; - genalloc_free(dius_t, &grcache_index) ; -} - -int s6ps_grcache_lookup (stralloc *sa, gid_t gid) -{ - int wasnull = !satmp.s ; - dius_t d = { .left = (uint32_t)gid, .right = satmp.len } ; - uint32_t i ; - if (!avltree_search(&grcache_tree, &d.left, &i)) - { - struct group *gr ; - unsigned int n = genalloc_len(dius_t, &grcache_index) ; - errno = 0 ; - gr = getgrgid(gid) ; - if (!gr) - { - if (errno) return 0 ; - if (!stralloc_readyplus(&satmp, UINT_FMT + 2)) return 0 ; - stralloc_catb(&satmp, "(", 1) ; - satmp.len += uint_fmt(satmp.s + satmp.len, gid) ; - stralloc_catb(&satmp, ")", 2) ; - } - else if (!stralloc_cats(&satmp, gr->gr_name) || !stralloc_0(&satmp)) return 0 ; - if (!genalloc_append(dius_t, &grcache_index, &d)) goto err ; - if (!avltree_insert(&grcache_tree, n)) - { - genalloc_setlen(dius_t, &grcache_index, n) ; - goto err ; - } - i = n ; - } - return stralloc_cats(sa, satmp.s + genalloc_s(dius_t, &grcache_index)[i].right) ; - err: - { - int e = errno ; - if (wasnull) stralloc_free(&satmp) ; - else satmp.len = d.right ; - errno = e ; - } - return 0 ; -} diff --git a/src/libps/s6ps_otree.c b/src/libps/s6ps_otree.c deleted file mode 100644 index 6ba8589..0000000 --- a/src/libps/s6ps_otree.c +++ /dev/null @@ -1,100 +0,0 @@ -/* ISC license. */ - -#include <errno.h> - -#include <skalibs/avltreen.h> - -#include "s6-ps.h" - -typedef struct ptreeiter_s ptreeiter_t, *ptreeiter_t_ref ; -struct ptreeiter_s -{ - unsigned int *childlist ; - unsigned int const *childindex ; - unsigned int const *ppindex ; - unsigned int *cpos ; -} ; - -typedef struct pstuff_s pstuff_t, *pstuff_t_ref ; -struct pstuff_s -{ - unsigned int *orderedlist ; - pscan_t *p ; - unsigned int const *childlist ; - unsigned int const *childindex ; - unsigned int const *nchild ; -} ; - -static int fillchildlist (unsigned int i, unsigned int h, void *x) -{ - ptreeiter_t *pt = x ; - unsigned int j = pt->ppindex[i] ; - pt->childlist[pt->childindex[j] + pt->cpos[j]++] = i ; - (void)h ; - return 1 ; -} - -static void fillo_tree_rec (pstuff_t *blah, unsigned int root, signed int h) -{ - static unsigned int j = 0 ; - unsigned int i = !blah->p[root].pid ; - if (blah->p[root].pid == 1) h = -1 ; - blah->p[root].height = (h > 0) ? h : 0 ; - blah->orderedlist[j++] = root ; - for (; i < blah->nchild[root] ; i++) - fillo_tree_rec(blah, blah->childlist[blah->childindex[root] + i], h+1) ; -} - - /* - Fills up orderedlist with the right indices to print a process tree. - O(n log n) time, O(n) space, all in the stack. - */ - -void s6ps_otree (pscan_t *p, unsigned int n, avltreen *pidtree, unsigned int *orderedlist) -{ - unsigned int childlist[n] ; - unsigned int childindex[n] ; - unsigned int nchild[n] ; - unsigned int i = 0 ; - for (; i < n ; i++) nchild[i] = 0 ; - - /* Compute the ppid tree */ - for (i = 0 ; i < n ; i++) - { - uint32_t k ; - if (!avltreen_search(pidtree, &p[i].ppid, &k)) k = n-1 ; - orderedlist[i] = k ; /* using orderedlist as ppindex */ - nchild[k]++ ; - } - { - unsigned int j = 0 ; - for (i = 0 ; i < n ; i++) - { - childindex[i] = j ; - j += nchild[i] ; - } - } - - /* Fill the childlist by increasing pids so it is sorted */ - { - unsigned int cpos[n] ; - ptreeiter_t blah = { .childlist = childlist, .childindex = childindex, .ppindex = orderedlist, .cpos = cpos } ; - for (i = 0 ; i < n ; i++) cpos[i] = 0 ; - avltreen_iter_nocancel(pidtree, avltreen_totalsize(pidtree), &fillchildlist, &blah) ; - } - - /* If we have init, make it the last in the orphan list */ - if (n > 1 && p[childlist[childindex[n-1]+1]].pid == 1) - { - unsigned int pos1 = childlist[childindex[n-1] + 1] ; - for (i = 2 ; i < nchild[n-1] ; i++) - childlist[childindex[n-1]+i-1] = childlist[childindex[n-1]+i] ; - childlist[childindex[n-1]+nchild[n-1]-1] = pos1 ; - } - - /* Finally, fill orderedlist by walking the childindex tree. */ - { - pstuff_t blah = { .orderedlist = orderedlist, .p = p, .childlist = childlist, .childindex = childindex, .nchild = nchild } ; - fillo_tree_rec(&blah, n-1, -1) ; - } -} diff --git a/src/libps/s6ps_pfield.c b/src/libps/s6ps_pfield.c deleted file mode 100644 index 9e53e50..0000000 --- a/src/libps/s6ps_pfield.c +++ /dev/null @@ -1,561 +0,0 @@ -/* ISC license. */ - -#include <string.h> -#include <stdint.h> -#include <unistd.h> -#include <time.h> -#include <sys/sysinfo.h> - -#include <skalibs/uint64.h> -#include <skalibs/types.h> -#include <skalibs/strerr.h> -#include <skalibs/tai.h> -#include <skalibs/djbtime.h> -#include <skalibs/stralloc.h> - -#include "s6-ps.h" - -static char const *const fieldheaders[PFIELD_PHAIL] = -{ - "PID", - "COMM", - "STAT", - "PPID", - "PGRP", - "SESSION", - "TTY", - "TPGID", - "UTIME", - "STIME", - "CUTIME", - "CSTIME", - "PRIO", - "NICE", - "THREADS", - "START", - "VSZ", - "RSS", - "RSSLIM", - "CPU", - "RTPRIO", - "RTPOLICY", - "USER", - "GROUP", - "%MEM", - "WCHAN", - "COMMAND", - "ENVIRONMENT", - "%CPU", - "TTIME", - "CTTIME", - "TSTART", - "C%CPU" -} ; - -char const *const *s6ps_fieldheaders = fieldheaders ; - -static char const *const opttable[PFIELD_PHAIL] = -{ - "pid", - "comm", - "s", - "ppid", - "pgrp", - "sess", - "tty", - "tpgid", - "utime", - "stime", - "cutime", - "cstime", - "prio", - "nice", - "thcount", - "start", - "vsize", - "rss", - "rsslimit", - "psr", - "rtprio", - "policy", - "user", - "group", - "pmem", - "wchan", - "args", - "env", - "pcpu", - "ttime", - "cttime", - "tstart", - "cpcpu" -} ; - -char const *const *s6ps_opttable = opttable ; - -static tain boottime = TAIN_EPOCH ; - -static int fmt_64 (pscan_t *p, size_t *pos, size_t *len, uint64_t u) -{ - if (!stralloc_readyplus(&p->data, UINT64_FMT)) return 0 ; - *pos = p->data.len ; - *len = uint64_fmt(p->data.s + *pos, u) ; - p->data.len += *len ; - return 1 ; -} - -static int fmt_i (pscan_t *p, size_t *pos, size_t *len, int d) -{ - if (!stralloc_readyplus(&p->data, UINT32_FMT+1)) return 0 ; - *pos = p->data.len ; - *len = int_fmt(p->data.s + *pos, d) ; - p->data.len += *len ; - return 1 ; -} - -static int fmt_pid (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->pid) ; -} - -static int fmt_comm (pscan_t *p, size_t *pos, size_t *len) -{ - *pos = p->statlen ; - *len = p->commlen ; - return 1 ; -} - -static int fmt_s (pscan_t *p, size_t *pos, size_t *len) -{ - if (!stralloc_readyplus(&p->data, 4)) return 0 ; - *pos = p->data.len ; - p->data.s[p->data.len++] = p->data.s[p->state] ; - if (p->pid == p->session) p->data.s[p->data.len++] = 's' ; - if (p->threads > 1) p->data.s[p->data.len++] = 'l' ; - if ((p->tpgid > 0) && ((unsigned int)p->tpgid == p->pgrp)) - p->data.s[p->data.len++] = '+' ; - if (p->nice) p->data.s[p->data.len++] = (p->nice < 0) ? '<' : 'N' ; - - *len = p->data.len - *pos ; - return 1 ; -} - -static int fmt_ppid (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->ppid) ; -} - -static int fmt_pgrp (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->pgrp) ; -} - -static int fmt_session (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->session) ; -} - -static int fmt_ttynr(pscan_t *p, size_t *pos, size_t *len) -{ - if (p->ttynr) - { - size_t tmppos = p->data.len ; - if (!s6ps_ttycache_lookup(&p->data, p->ttynr)) return 0 ; - *pos = tmppos ; - *len = p->data.len - tmppos ; - } - else - { - if (!stralloc_catb(&p->data, "-", 1)) return 0 ; - *pos = p->data.len - 1 ; - *len = 1 ; - } - return 1 ; -} - -static int fmt_tpgid (pscan_t *p, size_t *pos, size_t *len) -{ - return p->tpgid < 0 ? fmt_i(p, pos, len, -1) : fmt_64(p, pos, len, p->tpgid) ; -} - -static unsigned int gethz (void) -{ - static unsigned int hz = 0 ; - if (!hz) - { - long jiffies = sysconf(_SC_CLK_TCK) ; - if (jiffies < 1) - { - char fmt[ULONG_FMT + 1] ; - fmt[long_fmt(fmt, jiffies)] = 0 ; - strerr_warnw3x("invalid _SC_CLK_TCK value (", fmt, "), using 100") ; - hz = 100 ; - } - else hz = (unsigned int)jiffies ; - } - return hz ; -} - -int s6ps_compute_boottime (pscan_t *p, unsigned int mypos) -{ - if (!mypos--) - { - strerr_warnwu1x("compute boot time - using epoch") ; - return 0 ; - } - else - { - unsigned int hz = gethz() ; - tain offset = { .sec = { .x = p[mypos].start / hz }, .nano = (p[mypos].start % hz) * (1000000000 / hz) } ; - tain_sub(&boottime, &STAMP, &offset) ; - return 1 ; - } -} - -static int fmt_jiffies (pscan_t *p, size_t *pos, size_t *len, uint64_t j) -{ - unsigned int hz = gethz() ; - uint32_t hrs, mins, secs, hfrac ; - if (!stralloc_readyplus(&p->data, UINT64_FMT + 13)) return 0 ; - hfrac = (j % hz) * 100 / hz ; - *pos = p->data.len ; - j /= hz ; - secs = j % 60 ; j /= 60 ; - mins = j % 60 ; j /= 60 ; - hrs = j % 24 ; j /= 24 ; - if (j) - { - p->data.len += uint64_fmt(p->data.s + p->data.len, j) ; - p->data.s[p->data.len++] = 'd' ; - } - if (j || hrs) - { - uint320_fmt(p->data.s + p->data.len, hrs, 2) ; - p->data.len += 2 ; - p->data.s[p->data.len++] = 'h' ; - } - if (j || hrs || mins) - { - uint320_fmt(p->data.s + p->data.len, mins, 2) ; - p->data.len += 2 ; - p->data.s[p->data.len++] = 'm' ; - } - uint320_fmt(p->data.s + p->data.len, secs, 2) ; - p->data.len += 2 ; - if (!j && !hrs && !mins) - { - p->data.s[p->data.len++] = '.' ; - uint320_fmt(p->data.s + p->data.len, hfrac, 2) ; - p->data.len += 2 ; - } - p->data.s[p->data.len++] = 's' ; - *len = p->data.len - *pos ; - return 1 ; -} - -static int fmt_utime (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_jiffies(p, pos, len, p->utime) ; -} - -static int fmt_stime (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_jiffies(p, pos, len, p->stime) ; -} - -static int fmt_cutime (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_jiffies(p, pos, len, p->utime + p->cutime) ; -} - -static int fmt_cstime (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_jiffies(p, pos, len, p->stime + p->cstime) ; -} - -static int fmt_prio (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_i(p, pos, len, p->prio) ; -} - -static int fmt_nice (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_i(p, pos, len, p->nice) ; -} - -static int fmt_threads (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->threads) ; -} - -static int fmt_timedate (pscan_t *p, size_t *pos, size_t *len, struct tm const *tm) -{ - static struct tm nowtm = { .tm_year = 0 } ; - size_t tmplen ; - char *tmpstrf = "%F" ; - if (!nowtm.tm_year && !localtm_from_tai(&nowtm, tain_secp(&STAMP), 1)) return 0 ; - if (!stralloc_readyplus(&p->data, 20)) return 0 ; - if (tm->tm_year == nowtm.tm_year && tm->tm_yday == nowtm.tm_yday) - tmpstrf = "%T" ; - else if (tm->tm_year == nowtm.tm_year || (tm->tm_year+1 == nowtm.tm_year && (nowtm.tm_mon + 12 - tm->tm_mon) % 12 < 9)) - tmpstrf = "%b%d %R" ; - tmplen = strftime(p->data.s + p->data.len, 20, tmpstrf, tm) ; - if (!tmplen) return 0 ; - *len = tmplen ; - *pos = p->data.len ; - p->data.len += tmplen ; - return 1 ; -} - -static int fmt_start (pscan_t *p, size_t *pos, size_t *len) -{ - struct tm starttm ; - unsigned int hz = gethz() ; - tain blah = { .sec = { .x = p->start / hz }, .nano = (p->start % hz) * (1000000000 / hz) } ; - tain_add(&blah, &boottime, &blah) ; - if (!localtm_from_tai(&starttm, tain_secp(&blah), 1)) return 0 ; - return fmt_timedate(p, pos, len, &starttm) ; -} - -static unsigned int getpgsz (void) -{ - static unsigned int pgsz = 0 ; - if (!pgsz) - { - long sz = sysconf(_SC_PAGESIZE) ; - if (sz < 1) - { - char fmt[ULONG_FMT + 1] ; - fmt[long_fmt(fmt, sz)] = 0 ; - strerr_warnw3x("invalid _SC_PAGESIZE value (", fmt, "), using 4096") ; - pgsz = 4096 ; - } - else pgsz = sz ; - } - return pgsz ; -} - -static int fmt_vsize (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->vsize / 1024) ; -} - -static int fmt_rss (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->rss * (getpgsz() / 1024)) ; -} - -static int fmt_rsslim (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->rsslim / 1024) ; -} - -static int fmt_cpuno (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->cpuno) ; -} - -static int fmt_rtprio (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_64(p, pos, len, p->rtprio) ; -} - -static int fmt_policy (pscan_t *p, size_t *pos, size_t *len) -{ - static char const *const policies[8] = { "NORMAL", "FIFO", "RR", "BATCH", "ISO", "IDLE", "UNKNOWN", "UNKNOWN" } ; - size_t tmppos = p->data.len ; - if (!stralloc_cats(&p->data, policies[p->policy & 7])) return 0 ; - *pos = tmppos ; - *len = p->data.len - tmppos ; - return 1 ; -} - -static int fmt_user (pscan_t *p, size_t *pos, size_t *len) -{ - size_t tmppos = p->data.len ; - if (!s6ps_pwcache_lookup(&p->data, p->uid)) return 0 ; - *pos = tmppos ; - *len = p->data.len - tmppos ; - return 1 ; -} - -static int fmt_group (pscan_t *p, size_t *pos, size_t *len) -{ - size_t tmppos = p->data.len ; - if (!s6ps_grcache_lookup(&p->data, p->gid)) return 0 ; - *pos = tmppos ; - *len = p->data.len - tmppos ; - return 1 ; -} - -static struct sysinfo si = { .totalram = 0, .loads = { 0, 0, 0 } } ; - -static uint64_t gettotalmem (void) -{ - uint64_t totalmem = 0 ; - if (!si.totalram && (sysinfo(&si) < 0)) return 0 ; - totalmem = si.totalram ; - totalmem *= si.mem_unit ; - return totalmem ; -} - -static int percent (stralloc *sa, unsigned int n, size_t *pos, size_t *len) -{ - if (!stralloc_readyplus(sa, UINT64_FMT+1)) return 0 ; - *pos = sa->len ; - sa->len += uint_fmt(sa->s + sa->len, n / 100) ; - sa->s[sa->len++] = '.' ; - uint0_fmt(sa->s + sa->len, n % 100, 2) ; - sa->len += 2 ; - *len = sa->len - *pos ; - return 1 ; -} - -static int fmt_pmem (pscan_t *p, size_t *pos, size_t *len) -{ - uint64 l = gettotalmem() ; - return l ? percent(&p->data, p->rss * getpgsz() * 10000 / l, pos, len) : 0 ; -} - -static int fmt_wchan (pscan_t *p, size_t *pos, size_t *len) -{ - size_t tmppos = p->data.len ; - if (!s6ps_wchan_lookup(&p->data, p->wchan)) return 0 ; - *len = p->data.len - tmppos ; - *pos = tmppos ; - return 1 ; -} - -static int fmt_args (pscan_t *p, size_t *pos, size_t *len) -{ - if (!stralloc_readyplus(&p->data, (p->height << 2) + (p->cmdlen ? p->cmdlen : p->commlen + (p->data.s[p->state] == 'Z' ? 11 : 3)))) - return 0 ; - *pos = p->data.len ; - if (p->height) - { - unsigned int i = 0 ; - for (; i < 4 * (unsigned int)p->height - 3 ; i++) - p->data.s[p->data.len + i] = ' ' ; - memcpy(p->data.s + p->data.len + 4 * p->height - 3, "\\_ ", 3) ; - p->data.len += p->height << 2 ; - } - if (p->cmdlen) - { - char const *r = p->data.s + p->statlen + p->commlen ; - char *w = p->data.s + p->data.len ; - size_t i = p->cmdlen ; - while (i--) - { - char c = *r++ ; - *w++ = c ? c : ' ' ; - } - p->data.len += p->cmdlen ; - } - else if (p->data.s[p->state] == 'Z') - { - stralloc_catb(&p->data, p->data.s + uint32_fmt(0, p->pid) + 2, p->commlen) ; - stralloc_catb(&p->data, " <defunct>", 10) ; - } - else - stralloc_catb(&p->data, p->data.s + uint32_fmt(0, p->pid) + 1, p->commlen+2) ; - *len = p->data.len - *pos ; - return 1 ; -} - -static int fmt_env (pscan_t *p, size_t *pos, size_t *len) -{ - size_t i = 0 ; - if (!p->envlen) - { - if (!stralloc_catb(&p->data, "*", 1)) return 0 ; - *pos = p->data.len - 1 ; - *len = 1 ; - return 1 ; - } - *pos = p->statlen + p->commlen + p->cmdlen ; - *len = p->envlen ; - for (; i < *len ; i++) - if (!p->data.s[*pos + i]) p->data.s[*pos + i] = ' ' ; - return 1 ; -} - -static uint64_t gettotalj (uint64_t j) -{ - tain totaltime ; - unsigned int hz = gethz() ; - tain_sub(&totaltime, &STAMP, &boottime) ; - j = totaltime.sec.x * hz + totaltime.nano / (1000000000 / hz) - j ; - if (!j) j = 1 ; - return j ; -} - -static int fmt_pcpu (pscan_t *p, size_t *pos, size_t *len) -{ - return percent(&p->data, 10000 * (p->utime + p->stime) / gettotalj(p->start), pos, len) ; -} - -static int fmt_ttime (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_jiffies(p, pos, len, p->utime + p->stime) ; -} - -static int fmt_cttime (pscan_t *p, size_t *pos, size_t *len) -{ - return fmt_jiffies(p, pos, len, p->utime + p->stime + p->cutime + p->cstime) ; -} - -static int fmt_tstart (pscan_t *p, size_t *pos, size_t *len) -{ - unsigned int hz = gethz() ; - tain blah = { .sec = { .x = p->start / hz }, .nano = (p->start % hz) * (1000000000 / hz) } ; - if (!stralloc_readyplus(&p->data, TIMESTAMP)) return 0 ; - tain_add(&blah, &boottime, &blah) ; - *pos = p->data.len ; - *len = timestamp_fmt(p->data.s + p->data.len, &blah) ; - p->data.len += *len ; - return 1 ; -} - -static int fmt_cpcpu (pscan_t *p, size_t *pos, size_t *len) -{ - return percent(&p->data, 10000 * (p->utime + p->stime + p->cutime + p->cstime) / gettotalj(p->start), pos, len) ; -} - -static pfieldfmt_func_ref pfieldfmt_table[PFIELD_PHAIL] = -{ - &fmt_pid, - &fmt_comm, - &fmt_s, - &fmt_ppid, - &fmt_pgrp, - &fmt_session, - &fmt_ttynr, - &fmt_tpgid, - &fmt_utime, - &fmt_stime, - &fmt_cutime, - &fmt_cstime, - &fmt_prio, - &fmt_nice, - &fmt_threads, - &fmt_start, - &fmt_vsize, - &fmt_rss, - &fmt_rsslim, - &fmt_cpuno, - &fmt_rtprio, - &fmt_policy, - &fmt_user, - &fmt_group, - &fmt_pmem, - &fmt_wchan, - &fmt_args, - &fmt_env, - &fmt_pcpu, - &fmt_ttime, - &fmt_cttime, - &fmt_tstart, - &fmt_cpcpu -} ; - -pfieldfmt_func_ref *s6ps_pfield_fmt = pfieldfmt_table ; diff --git a/src/libps/s6ps_pwcache.c b/src/libps/s6ps_pwcache.c deleted file mode 100644 index ce4caa8..0000000 --- a/src/libps/s6ps_pwcache.c +++ /dev/null @@ -1,67 +0,0 @@ -/* ISC license. */ - -#include <sys/types.h> -#include <stdint.h> -#include <pwd.h> -#include <errno.h> - -#include <skalibs/types.h> -#include <skalibs/stralloc.h> -#include <skalibs/genalloc.h> -#include <skalibs/skamisc.h> -#include <skalibs/avltree.h> -#include "s6-ps.h" - -static avltree pwcache_tree = AVLTREE_ZERO ; -static genalloc pwcache_index = GENALLOC_ZERO ; - -int s6ps_pwcache_init (void) -{ - avltree_init(&pwcache_tree, 5, 3, 8, &left_dtok, &uint32_cmp, &pwcache_index) ; - return 1 ; -} - -void s6ps_pwcache_finish (void) -{ - avltree_free(&pwcache_tree) ; - genalloc_free(dius_t, &pwcache_index) ; -} - -int s6ps_pwcache_lookup (stralloc *sa, uid_t uid) -{ - int wasnull = !satmp.s ; - dius_t d = { .left = (uint32_t)uid, .right = satmp.len } ; - uint32_t i ; - if (!avltree_search(&pwcache_tree, &d.left, &i)) - { - struct passwd *pw ; - unsigned int n = genalloc_len(dius_t, &pwcache_index) ; - errno = 0 ; - pw = getpwuid(uid) ; - if (!pw) - { - if (errno) return 0 ; - if (!stralloc_readyplus(&satmp, UINT_FMT + 2)) return 0 ; - stralloc_catb(&satmp, "(", 1) ; - satmp.len += uint_fmt(satmp.s + satmp.len, uid) ; - stralloc_catb(&satmp, ")", 2) ; - } - else if (!stralloc_cats(&satmp, pw->pw_name) || !stralloc_0(&satmp)) return 0 ; - if (!genalloc_append(dius_t, &pwcache_index, &d)) goto err ; - if (!avltree_insert(&pwcache_tree, n)) - { - genalloc_setlen(dius_t, &pwcache_index, n) ; - goto err ; - } - i = n ; - } - return stralloc_cats(sa, satmp.s + genalloc_s(dius_t, &pwcache_index)[i].right) ; - err: - { - int e = errno ; - if (wasnull) stralloc_free(&satmp) ; - else satmp.len = d.right ; - errno = e ; - } - return 0 ; -} diff --git a/src/libps/s6ps_statparse.c b/src/libps/s6ps_statparse.c deleted file mode 100644 index ea46d70..0000000 --- a/src/libps/s6ps_statparse.c +++ /dev/null @@ -1,186 +0,0 @@ -/* ISC license. */ - -#include <stdint.h> -#include <sys/types.h> -#include <errno.h> - -#include <skalibs/uint64.h> -#include <skalibs/types.h> -#include <skalibs/stralloc.h> -#include <skalibs/tai.h> - -#include "s6-ps.h" - - - /* - going to great lengths to avoid scanf(), but all this code - is still smaller than scanf (no floating point parsing etc.) - */ - -#define STATVARS 49 - -typedef size_t pscan_func (char const *, void *) ; -typedef pscan_func *pscan_func_ref ; - -static size_t f64 (char const *s, void *u64) -{ - uint64_t *u = u64 ; - return uint64_scan(s, u) ; -} - -#define DEFUNU(name, type) \ -static size_t name (char const *s, void *p) \ -{ \ - uint64_t u ; \ - size_t len = uint64_scan(s, &u) ; \ - *(type *)p = u ; \ - return len ; \ -} \ - -#define DEFUNS(name, type) \ -static size_t name (char const *s, void *p) \ -{ \ - int64_t d ; \ - size_t len = int64_scan(s, &d) ; \ - *(type *)p = d ; \ - return len ; \ -} \ - -DEFUNS(fint, int) -DEFUNS(fpid, pid_t) -DEFUNU(fdev, dev_t) - -static pscan_func_ref scanfuncs[STATVARS] = -{ - &fpid, /* ppid */ - &fpid, /* pgrp */ - &fpid, /* session */ - &fdev, /* tty_nr */ - &fpid, /* tpgid */ - &f64, /* flags */ - &f64, /* minflt */ - &f64, /* cminflt */ - &f64, /* majflt */ - &f64, /* cmajflt */ - &f64, /* utime */ - &f64, /* stime */ - &f64, /* cutime */ - &f64, /* cstime */ - &fint, /* priority */ - &fint, /* nice */ - &f64, /* num_threads */ - &f64, /* itrealvalue */ - &f64, /* starttime */ - &f64, /* vsize */ - &f64, /* rss */ - &f64, /* rsslim */ - &f64, /* startcode */ - &f64, /* endcode */ - &f64, /* startstack */ - &f64, /* kstkesp */ - &f64, /* kstkeip */ - &f64, /* signal */ - &f64, /* blocked */ - &f64, /* sigignore */ - &f64, /* sigcatch */ - &f64, /* wchan */ - &f64, /* nswap */ - &f64, /* cnswap */ - &fint, /* exit_signal */ - &f64, /* processor */ - &f64, /* rt_priority */ - &f64, /* policy */ - &f64, /* delayacct_blkio_ticks */ - &f64, /* guest_time */ - &f64, /* cguest_time */ - &f64, /* start_data */ - &f64, /* end_data */ - &f64, /* start_brk */ - &f64, /* arg_start */ - &f64, /* arg_end */ - &f64, /* env_start */ - &f64, /* env_end */ - &fint /* exit_code */ -} ; - -int s6ps_statparse (pscan_t *p) -{ - uint64_t dummy64 ; - int dummyint ; - size_t pos = 0 ; - void *scanresults[STATVARS] = - { - &p->ppid, - &p->pgrp, - &p->session, - &p->ttynr, - &p->tpgid, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &p->utime, - &p->stime, - &p->cutime, - &p->cstime, - &p->prio, - &p->nice, - &p->threads, - &dummy64, - &p->start, - &p->vsize, - &p->rss, - &p->rsslim, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &p->wchan, - &dummy64, - &dummy64, - &dummy64, - &p->cpuno, - &p->rtprio, - &p->policy, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummy64, - &dummyint - } ; - unsigned int i = 0 ; - - if (!p->statlen) return 0 ; - pos = uint64_scan(p->data.s, &dummy64) ; - if (!pos) return 0 ; - if (dummy64 != p->pid) return 0 ; - if (pos + 5 + p->commlen > p->statlen) return 0 ; - if (p->data.s[pos++] != ' ') return 0 ; - if (p->data.s[pos++] != '(') return 0 ; - pos += p->commlen ; - if (p->data.s[pos++] != ')') return 0 ; - if (p->data.s[pos++] != ' ') return 0 ; - p->state = pos++ ; - for (; i < STATVARS ; i++) - { - size_t w ; - if (pos + 1 > p->statlen) return 0 ; - if (p->data.s[pos++] != ' ') return 0 ; - w = (*scanfuncs[i])(p->data.s + pos, scanresults[i]) ; - if (!w) return 0 ; - pos += w ; - } - return 1 ; -} diff --git a/src/libps/s6ps_ttycache.c b/src/libps/s6ps_ttycache.c deleted file mode 100644 index 27282e7..0000000 --- a/src/libps/s6ps_ttycache.c +++ /dev/null @@ -1,138 +0,0 @@ -/* ISC license. */ - -#include <string.h> -#include <stdint.h> -#include <sys/stat.h> -#include <sys/sysmacros.h> -#include <errno.h> - -#include <skalibs/types.h> -#include <skalibs/allreadwrite.h> -#include <skalibs/buffer.h> -#include <skalibs/stralloc.h> -#include <skalibs/genalloc.h> -#include <skalibs/djbunix.h> -#include <skalibs/skamisc.h> -#include <skalibs/avltree.h> - -#include "s6-ps.h" - -static avltree ttycache_tree = AVLTREE_ZERO ; -static genalloc ttycache_index = GENALLOC_ZERO ; - -int s6ps_ttycache_init (void) -{ - avltree_init(&ttycache_tree, 5, 3, 8, &left_dtok, &uint32_cmp, &ttycache_index) ; - return 1 ; -} - -void s6ps_ttycache_finish (void) -{ - avltree_free(&ttycache_tree) ; - genalloc_free(dius_t, &ttycache_index) ; -} - -static int check (char const *s, dev_t ttynr) -{ - struct stat st ; - if (stat(s, &st) < 0) return 0 ; - return S_ISCHR(st.st_mode) && (st.st_rdev == ttynr) ; -} - - - /* No blind scanning of all /dev or /sys/devices, kthx */ - -static int ttyguess (stralloc *sa, dev_t ttynr) -{ - unsigned int maj = major(ttynr), min = minor(ttynr) ; - - /* Try /dev/tty? and /dev/pts/? */ - if (maj == 4 && min < 64) - { - char tmp[11] = "/dev/tty" ; - tmp[uint_fmt(tmp+8, min)] = 0 ; - if (check(tmp, ttynr)) return stralloc_cats(sa, tmp+5) && stralloc_0(sa) ; - } - else if (maj >= 136 && maj < 144) - { - unsigned int n = ((maj - 136) << 20) | min ; - char tmp[9 + UINT_FMT] = "/dev/pts/" ; - tmp[9 + uint_fmt(tmp+9, n)] = 0 ; - if (check(tmp, ttynr)) return stralloc_cats(sa, tmp+5) && stralloc_0(sa) ; - } - - /* Use /sys/dev/char/maj:min if it exists */ - { - int fd ; - size_t pos = 14 ; - char path[23 + 2 * UINT_FMT] = "/sys/dev/char/" ; - pos += uint_fmt(path + pos, maj) ; - path[pos++] = ':' ; - pos += uint_fmt(path + pos, min) ; - memcpy(path + pos, "/uevent", 8) ; - fd = open_read(path) ; - if (fd >= 0) - { - char buf[4097] ; - buffer b = BUFFER_INIT(&fd_readv, fd, buf, 4097) ; - size_t start = satmp.len ; - int r ; - for (;;) - { - satmp.len = start ; - r = skagetln(&b, &satmp, '\n') ; - if (r <= 0) break ; - if ((satmp.len - start) > 8 && !memcmp(satmp.s + start, "DEVNAME=", 8)) break ; - } - fd_close(fd) ; - if (r > 0) - { - satmp.s[satmp.len - 1] = 0 ; - satmp.len = start ; - memcpy(satmp.s + start + 3, "/dev/", 5) ; - if (check(satmp.s + start + 3, ttynr)) - return stralloc_cats(sa, satmp.s + start + 8) && stralloc_0(sa) ; - } - } - } - - /* Fallback: print explicit maj:min */ - { - size_t pos = 1 ; - char tmp[3 + 2 * UINT_FMT] = "(" ; - pos += uint_fmt(tmp + pos, maj) ; - tmp[pos++] = ':' ; - pos += uint_fmt(tmp + pos, min) ; - tmp[pos++] = ')' ; - tmp[pos++] = 0 ; - return stralloc_catb(sa, tmp, pos) ; - } -} - -int s6ps_ttycache_lookup (stralloc *sa, dev_t ttynr) -{ - int wasnull = !satmp.s ; - dius_t d = { .left = (uint32_t)ttynr, .right = satmp.len } ; - uint32_t i ; - if (!avltree_search(&ttycache_tree, &d.left, &i)) - { - unsigned int n = genalloc_len(dius_t, &ttycache_index) ; - if (!ttyguess(&satmp, ttynr)) return 0 ; - if (!genalloc_append(dius_t, &ttycache_index, &d)) goto err ; - if (!avltree_insert(&ttycache_tree, n)) - { - genalloc_setlen(dius_t, &ttycache_index, n) ; - goto err ; - } - i = n ; - } - return stralloc_cats(sa, satmp.s + genalloc_s(dius_t, &ttycache_index)[i].right) ; - err: - { - int e = errno ; - if (wasnull) stralloc_free(&satmp) ; - else satmp.len = d.right ; - errno = e ; - } - return 0 ; -} diff --git a/src/libps/s6ps_wchan.c b/src/libps/s6ps_wchan.c deleted file mode 100644 index 9261693..0000000 --- a/src/libps/s6ps_wchan.c +++ /dev/null @@ -1,96 +0,0 @@ -/* ISC license. */ - -#include <string.h> -#include <sys/utsname.h> - -#include <skalibs/uint64.h> -#include <skalibs/stralloc.h> -#include <skalibs/genalloc.h> -#include <skalibs/djbunix.h> - -#include "s6-ps.h" - -static stralloc sysmap = STRALLOC_ZERO ; -static genalloc ind = GENALLOC_ZERO ; - -int s6ps_wchan_init (char const *file) -{ - if (file) - { - if (!openslurpclose(&sysmap, file)) return 0 ; - } - else - { - char *files[3] = { "/proc/kallsyms", 0, "/boot/System.map" } ; - struct utsname uts ; - size_t n ; - if (uname(&uts) < 0) return 0 ; - n = strlen(uts.release) ; - { - char buf[18 + n] ; - unsigned int i = 0 ; - memcpy(buf, "/boot/System.map", 16) ; - buf[16] = '-' ; - memcpy(buf + 17, uts.release, n + 1) ; - files[1] = buf ; - for (; i < 3 ; i++) - if (openslurpclose(&sysmap, files[i])) break ; - if (i >= 3) return 0 ; - } - } - { - size_t i = 0 ; - if (!genalloc_append(size_t, &ind, &i)) goto err2 ; - for (i = 1 ; i <= sysmap.len ; i++) - if (sysmap.s[i-1] == '\n') - if (!genalloc_append(size_t, &ind, &i)) goto err ; - } - return 1 ; - err: - genalloc_free(size_t, &ind) ; - err2: - stralloc_free(&sysmap) ; - return 0 ; -} - -void s6ps_wchan_finish (void) -{ - genalloc_free(size_t, &ind) ; - stralloc_free(&sysmap) ; -} - -static inline size_t lookup (uint64_t addr, size_t *i) -{ - size_t low = 0, mid, high = genalloc_len(size_t, &ind), len ; - for (;;) - { - uint64_t cur ; - mid = (low + high) >> 1 ; - len = uint64_xscan(sysmap.s + genalloc_s(size_t, &ind)[mid], &cur) ; - if (!len) return 0 ; - if (cur == addr) break ; - if (mid == low) return 0 ; - if (addr < cur) high = mid ; else low = mid ; - } - *i = mid ; - return len ; -} - -int s6ps_wchan_lookup (stralloc *sa, uint64_t addr) -{ - if (addr == (sizeof(void *) == 8 ? 0xffffffffffffffffULL : 0xffffffffUL)) - return stralloc_catb(sa, "*", 1) ; - if (!addr) return stralloc_catb(sa, "-", 1) ; - if (sysmap.len) - { - size_t i, pos, len = lookup(addr, &i) ; - if (!len) return stralloc_catb(sa, "?", 1) ; - pos = genalloc_s(size_t, &ind)[i] + len + 3 ; - return stralloc_catb(sa, sysmap.s + pos, genalloc_s(size_t, &ind)[i+1] - 1 - pos) ; - } - if (!stralloc_readyplus(sa, UINT64_FMT + 3)) return 0 ; - stralloc_catb(sa, "(0x", 3) ; - sa->len += uint64_fmt(sa->s + sa->len, addr) ; - stralloc_catb(sa, ")", 1) ; - return 1 ; -} |
