Bug 30682
| Summary: | Re: uptime and w utilities lie about real uptime | ||
|---|---|---|---|
| Product: | Base System | Reporter: | vova <vova> |
| Component: | bin | Assignee: | freebsd-bugs (Nobody) <bugs> |
| Status: | Closed FIXED | ||
| Severity: | Affects Only Me | CC: | FreeBSD-gnats-submit |
| Priority: | Normal | ||
| Version: | 1.0-RELEASE | ||
| Hardware: | Any | ||
| OS: | Any | ||
State Changed From-To: open->closed Part of another PR's Audit-Trail Responsible Changed From-To: gnats-admin->freebsd-bugs Misfiled |
Michael Sinz writes: > > if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 && > > boottime.tv_sec != 0) { > > uptime = now - boottime.tv_sec; > > uptime += 30; > > ====================== ^^^^^ > > days = uptime / 86400; > > uptime %= 86400; > > hrs = uptime / 3600; > > uptime %= 3600; > > mins = uptime / 60; > > secs = uptime % 60; > > (void)printf(" up"); > > > > why utility increases uptime on 30 seconds ?? > > Is any real reasons for it ? > > >From my reading of this, it seems to want to round the uptime to > the nearest minute -- afterall, w and uptime both only show the uptime > in minutes (well, days, hours, and minutes) not exactly right: ... DUMMYNET initialized (010124) Waiting 2 seconds for SCSI devices to settle SMP: AP CPU #1 Launched! Mounting root from ufs:/dev/da0s2a da0 at ahc0 bus 0 target 12 lun 0 da0: <IBM DNES-309170W SA30> Fixed Direct Access SCSI-3 device da0: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing Enabled da0: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) Enter full pathname of shell or RETURN for /bin/sh: # mount -a # uptime 3:12PM up 42 secs, 3 users, load averages: 0.21, 0.05, 0.02 # 42sec instead of more realistic 12sec looking into w.c more: if (days > 0) (void)printf(" %d day%s,", days, days > 1 ? "s" : ""); if (hrs > 0 && mins > 0) (void)printf(" %2d:%02d,", hrs, mins); else if (hrs > 0) (void)printf(" %d hr%s,", hrs, hrs > 1 ? "s" : ""); else if (mins > 0) (void)printf(" %d min%s,", mins, mins > 1 ? "s" : ""); else (void)printf(" %d sec%s,", secs, secs > 1 ? "s" : ""); } -- TSB Russian Express, Moscow Vladimir B. Grebenschikov, vova@express.ru