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DTrace for Windows 10 (Version 1903 Build 18362.53) PID provider
#DTrace pic.twitter.com/jpCzcPAjEM
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Today’s unexpected finding - you can make
#DTrace work at early booting stage, to detect issues which cannot be catch once you have access to the prompt. Doesn’t look like a feature I expect to use daily, but a game changer in specific scenarios. pic.twitter.com/Ey1zH3ursF
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nfsiosnoop v3.0 -- https://pastebin.com/sJ7g4uMQ
#Linux#bpftrace#DTrace#POSIX New flags: -v (verbose, show filenames and all tracepoints) -u user (filter on name/uid) -g group (filter on group/gid) -t fmt (time format) -q (quiet; hide NULL reads/writes, open, close, dup) -
nfsiosnoop v2.0 -- https://pastebin.com/sJ7g4uMQ
#Linux#bpftrace#Dtrace#POSIX -
Wow.
#dtrace#solaris "Even though the PPS does not read data off the of serial line, random electric noise sometimes presents data on the line. Since it is random, it has a good chance that it will have a parity error, causing a break indication, " https://web.archive.org/web/20060213113923/http://blogs.sun.com/roller/page/blu?entry=tricky_problem_with_ntp …Prikaži ovu nit -
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On CentOS 7.7 you can use
#bpftrace (#DTrace's cousin) to plumb the#Linux kernel for NFS activity to associate I/O to individual UNIX processes, users, etc. nfsiosnoop v1.0 -- https://pastebin.com/sJ7g4uMQ Pictured: Green = action, Cyan = Read, Red = Writepic.twitter.com/YaOOY6bYUC
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#freebsd tweeps: this unsafe#dtrace script will blink the mic light on your thinkpad as you suffer swap io. This "instrument" _may_ cause additional swap io. https://github.com/agokhale/cantrips/blob/master/dt/swaphit.dtrace … ... I'm looking cross eyed at you chrome. -
Today I finally used
#dtrace for the first time in anger to debug some#postgresql performance issues. It's truly amazing how deep you can go with it. Turns out our issue is a write storm caused by unexpected row locks being taken. -
Blogged about profiling
#django with#dtrace and some other useful tools - https://wiedi.frubar.net/blog/2019/11/18/django-performance/ … -
Found this relic during my move. Feeling cute. Might use
#dtrace later... IDK#opensolarispic.twitter.com/iSHTm3SBVc
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Can my
#FreeBSD friends suggest how to do this with#dtrace? https://twitter.com/notdan/status/1151159009178615808 …
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The
#PGCon talks are now officially available.@oshogbovx and I gave a presentation there about using#dtrace on#postgresql to diagnose a hanging insert statement.https://www.youtube.com/watch?v=Brt41xnMZqo&list=PLuJmmKtsV1dOTmlImlD9U5j1P1rLxS2V8&index=20&t=0s … -
Video from the `Let's
#DTrace#Postgres` talk we gave with@oshogbovx during@PGCon 2019 (Ottawa, Canada) is up: https://www.youtube.com/watch?v=j06qkY_ez7Q … -
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Did you know we have already 25 presentations on our
@YouTube? We've covered:#ZFS,#ZeroTrust,#YubiKey,@QubesOS,#FreeBSD,#FreeIPA,#DTrace,#OpenBSD,#ARM,@pytestdotorg,#CloudInit,#Wayland or#FreeNAS. Here comes the question: would you like English subtitles?
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Hey
#Tor developers, would you be interested to see dtrace-generated callstack framegraphs for the tor-daemon for a long-lived and high-capacity tor exit node? Of course, the#DTrace scripts would be open source. Pondering doing this for@EmeraldOnion. CC: @nusenu_@torproject -
Die Sticker-Ausbeute im Turmbrauhaus ist etwas Solaris-lastig.
#clt2019#opensolaris#illumos#tribblix#dtrace#omniospic.twitter.com/6rQ6ZEkK2M
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#Windows Insiders can now use#DTrace @avrohomg@archonsec @fogle_shane @jdelacruz_IoThttps://www.zdnet.com/article/windows-insiders-can-now-use-dtrace/ …
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