Corrections:

  1. ps -p 1 -o etime | tail -1 will give the system uptime time in format "day-hour:minute:second"
  2. Use timelocal in module Time::Local to convert the current timesystem uptime to seconds since EPOCH
  3. Value from 2time() minus Value from 12 should give me the EPOCH time of last system reboot
  4. Value from 3 plus first column in dtrace script output divided by 1000000 should give the EPOCH time of the record
  5. localtime(Value 4) should display it in readable local time format.

If you could get the reboot time directly, you'd get more precise results.

In reply to Re: timestamp to localtime by ikegami
in thread solved: timestamp to localtime by roadtest

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.