Eric Boutilier
2006-Jun-21 02:17 UTC
[dtrace-discuss] Overview (rollup) of recent activity on dtrace-discuss
For background on what this is, see: http://www.opensolaris.org/jive/message.jspa?messageID=24416#24416 http://www.opensolaris.org/jive/message.jspa?messageID=25200#25200 ============================dtrace-discuss 06/01 - 06/15 ============================ Threads or announcements originated by leaders during the period: - A straightforward, useful project by bmc at eng.sun.com (Bryan Cantrill) =============================================================== Size of all threads during period: Thread size Topic ----------- ----- 9 dtrace causing sigtrap? 7 next question ... 6 accessing aggregation value. 6 Errors generating header file for inclusion in script 5 dtrace and mdb dcmds 4 implementation of dtrace_action_raise() 4 dtrace and local zones 4 DTrace Educational: DTraceToolkit Presentation 3 Persistent "Abort due to systemic unresponsiveness" 2 printing vnode page list 2 no more traces when process stop and restart 2 man pages for each providers ? 2 lsof functionality? 2 libdtrace as a public interface? 2 backporting dtrace.jar on solaris 10 2 [Fwd: Persistent "Abort due to systemic unresponsiveness"] 2 Translator from kthread_t * to psinfo_t * undefined 2 Q''n on java dtrace : return value of method? 2 Control-c 1 new release of nfs4trace 1 dtrace hangs? 1 Overview (rollup) of recent activity on dtrace-discuss 1 Including C headers 1 A straightforward, useful project =============================================================== Posting activity by person for period: # of posts Ldr By ---------- --- ------------------------------------------------ 10 * ahl at eng.sun.com (adam leventhal) 8 chris.quenelle at sun.com (chris quenelle) 6 cbennett at laurustech.com (chip bennett) 5 matty91 at gmail.com (matty) 4 stefanparvu14 at yahoo.com (stefan parvu) 4 jonathan.adams at sun.com (jonathan adams) 3 * mws at zion.eng.sun.com (michael shapiro) 3 boris at brooknet.com.au (sam lawrance) 3 * bmc at eng.sun.com (bryan cantrill) 3 ananth.shrinivas at sun.com (ananth shrinivas) 3 alan.maguire at sun.com (alan maguire) 2 weeyeh at gmail.com (wee yeh tan) 2 roch.bourbonnais at sun.com (roch) 2 piyush.shivam at sun.com (piyush shivam) 1 stacy.maydew at sun.com (stacy maydew) 1 sam.falkner at sun.com (sam falkner) 1 prashant.srinivasan at sun.com (prashant srinivasan) 1 nicolas.williams at sun.com (nicolas williams) 1 mike.iatrou at freemail.gr (michael iatrou) 1 johnhl_2000 at yahoo.com (qiang liu) 1 james.mauro at sun.com (jim mauro) 1 gangadhar.m at sun.com (gangadhar mylapuram) 1 diane.fallier at sun.com (diane fallier) 1 david.comay at sun.com (david.comay at sun.com) 1 damien_caruana at storagetek.com (caruana, damien) 1 avlg at sdsc.edu (jeff a.) 1 alessio.cervellin at sun-cs-italy.com (alessioc) 1 alessio.cervellin at sun-cs-italy.com (alessio cervellin) =============================================================== Discussion URL: http://www.opensolaris.org/jive/forum.jspa?forumID=7 Main URL: http://opensolaris.org/os/community/dtrace
Eric Boutilier
2006-Jul-18 22:14 UTC
[dtrace-discuss] Overview (rollup) of recent activity on dtrace-discuss
For background on what this is, see: http://www.opensolaris.org/jive/message.jspa?messageID=24416#24416 http://www.opensolaris.org/jive/message.jspa?messageID=25200#25200 ============================dtrace-discuss 07/01 - 07/15 ============================ Threads or announcements originated by leaders during the period: - (none) =============================================================== Size of all threads during period: Thread size Topic ----------- ----- 6 dtrace buildin "timestamp" going back in time? 6 Definition of "anchored" and "unanchored" probes 5 plockstat - chopped stack output 5 args[] typed to ''struct timeval'' leads to invalid alignment error 4 tick-n probe behavior 4 DTrace script question 3 hotuser and hotkernel 3 Probe ID changes 2 high amount of syscalls 2 Put SDT probe in unix module 1 dtrace probes for ksh93? 1 DTrace Privileges under NIS+, LDAP, the /etc/user_attr file =============================================================== Posting activity by person for period: # of posts Ldr By ---------- --- ------------------------------------------------ 7 jonathan.adams at sun.com (jonathan adams) 7 cbennett at laurustech.com (chip bennett) 5 robert.lor at sun.com (robert lor) 3 schmidtm at sun.com (matthias schmidt) 2 weeyeh at gmail.com (wee yeh tan) 2 roch.bourbonnais at sun.com (roch) 2 jgh at wizmail.org (jeremy harris) 2 * bmc at eng.sun.com (bryan cantrill) 2 * ahl at eng.sun.com (adam leventhal) 1 stefanparvu14 at yahoo.com (stefan parvu) 1 roberto.bergantinos at spain.sun.com (roberto bergantinos corpas) 1 pavel.filipensky at sun.com (pavel filipensky0 1 pat.pinchera at sun.com (pat pinchera) 1 * mws at zion.eng.sun.com (michael shapiro) 1 martin.schaffstall at googlemail.com (martin schaffstall) 1 howard0su at gmail.com (howard su) 1 don.weeks at alcatel.com (don weeks) 1 cabal at myrealbox.com (cabal) 1 * brendan.gregg at tpg.com.au (brendan gregg) =============================================================== Discussion URL: http://www.opensolaris.org/jive/forum.jspa?forumID=7 Main URL: http://opensolaris.org/os/community/dtrace
Eric Boutilier
2006-Aug-16 21:31 UTC
[dtrace-discuss] Overview (rollup) of recent activity on dtrace-discuss
For an explanation of why this report has changed, see: http://mail.opensolaris.org/pipermail/opensolaris-discuss/2006-August/019428.html ============================dtrace-discuss 08/01 - 08/15 ============================ Size of all threads during period: Thread size Topic ----------- ----- 13 DTrace on AIX 12 DTrace FAQ 11 Using pid provider when process forks 10 Handling userland char ** pointers 9 DTrace instead of `lsof`? 8 Some of my nanoseconds are missing... 7 How to know SDT probe''s "argument numbers" & "argument types"? 5 tracing setup_ddi() ? 5 Tracing user-land memory buffers 4 picture of dtrace integration in osx (xray) 4 Specify module and function for USDT 4 Rationale behind choice of arg variables or args array 4 DTrace, ::KeyboardConvertScan:entry and my USB keyboard 3 plockstat with Segmentation Fault 3 dtrace apache hang on sol10u2 3 data lost in tracemem 3 SDT/USDT policies? 3 Printing aggregations, multiple values per line? 3 On Solaris 10 kernel ID for U1 and U2 3 DTracing reads/writes from a socketpair (trying to debug a race condition) 2 the ability to specify probes that don''t yet exist that will be enabled when they show up 2 help with listing called functions 2 copyinstr() problem? 2 [Fwd: DTrace IO provider and oracle] 2 Why does dtrace -h remove const qualifier? 2 Why an arg in a syscall:::entry probe might not be in memory 2 Tracking time spent in function -- does this do what I think it does? 2 Stripped binaries 2 One more question about probe args 2 Instrumenting Sendmail with DTrace 2 CPU utilization with ring buffer 1 dtrace core dump 1 apache hangs on sol10u2 not sol10u1 1 apache hangs on sol10u2 and sol10u1 (after patches) 1 Output from dtrace... 1 How to know SDT probe''s "argument numbers" & "argument types" 1 DTrace included in Mac OS X Leopard 1 DTrace Article Series in Sys Admin Magazine =============================================================== Posting activity by person for period: # of posts By ---------- ------------------------------------------------ 13 nik at ngo.org.uk (nik clayton) 12 cbennett at laurustech.com (chip bennett) 12 bmc at eng.sun.com (bryan cantrill) 10 nicolas.williams at sun.com (nicolas williams) 10 ahl at eng.sun.com (adam leventhal) 9 pengjx73 at yahoo.com (alex peng) 9 jonathan.adams at sun.com (jonathan adams) 5 sean.mcgrath at sun.com (sean mcgrath - sun microsystems ireland) 5 mws at zion.eng.sun.com (michael shapiro) 4 ttoulliu2002 at gmail.com (ttoulliu2002) 4 trond at norbye.org (trond norbye) 4 fcocquyt at stanford.edu (fletcher cocquyt) 4 brendan.gregg at tpg.com.au (brendan gregg) 3 sang-suan.gam at sun.com (sang-suan gam) 2 wqyuwss at 163.com (leslie) 2 venky.tv at sun.com (venky) 2 roch.bourbonnais at sun.com (roch) 2 michael.schuster at sun.com (michael schuster - sun microsystems) 2 manoj.joseph at sun.com (manoj joseph) 2 james.mauro at sun.com (jim mauro) 2 ian.c.campbell at gmail.com (ian campbell) 2 dlewis at solnetworks.net (derek e. lewis) 2 cmynhier at gmail.com (chad mynhier) 2 casper.dik at sun.com (casper.dik at sun.com) 1 weeyeh at gmail.com (wee yeh tan) 1 tripivceta at hotmail.com (unix admin) 1 tomee at eng.sun.com (tom erickson) 1 sowmini.varadhan at sun.com (sowmini varadhan) 1 seth.goldberg at sun.com (seth goldberg) 1 schilling at fokus.fraunhofer.de (joerg schilling) 1 rich.teer at rite-group.com (rich teer) 1 przemolicc at poczta.fm (przemolicc at poczta.fm) 1 peter.karlsson at sun.com (peter karlsson) 1 ormandj at corenode.com (david j. orman) 1 mattyml at prefetch.net (matty) 1 jrh at zeppelin.net (josh howard) 1 jim.fiori at sun.com (jim fiori) 1 jamesd.wi at gmail.com (james dickens) 1 helgeg at mailinator.com (helge grimm) 1 ggluck at lmi.org (george gluck) 1 enda.oconnor at sun.com (enda o''connor - sun microsystems ireland - software engineer) 1 ekaterina.pavlova at sun.com (ekaterina pavlova) 1 danmcd at sun.com (dan mcdonald) 1 dan.mick at sun.com (dan mick) 1 clarosa at emory.edu (chris larosa) 1 boyd-adamson at usa.net (boyd adamson) =============================================================== Discussion URL: http://www.opensolaris.org/jive/forum.jspa?forumID=7 Main URL: http://opensolaris.org/os/community/dtrace
Eric Boutilier
2006-Sep-07 01:18 UTC
[dtrace-discuss] Overview (rollup) of recent activity on dtrace-discuss
For background on what this is, see: http://www.opensolaris.org/jive/message.jspa?messageID=24416#24416 http://www.opensolaris.org/jive/message.jspa?messageID=25200#25200 ============================dtrace-discuss 08/16 - 08/31 ============================ Size of all threads during period: Thread size Topic ----------- ----- 10 "dtrace -c" and HotSpot extended probes 5 Rationale behind no flow control 5 (Query) DTrace Syscall 4 apache hangs on sol10u2 and sol10u1 (after118855-15) 4 anonpgpid.d and sys/vnode.h issue 4 Identifying Java classes running in a JVM 3 pid provider and overheads 3 Where am I going wrong? 3 USDT probes in PostgreSQL 3 Removing profile probes 3 DTrace instrumental in exposing Sendmail bug 2 backport of dtrace to S9 ? 2 Use of "inline" as printf format 2 Union behaving incorrectly in D 2 Problem linking USDT C++ application 2 DTrace instead of `lsof`? 1 help with listing called functions 1 Overview (rollup) of recent activity on dtrace-discuss 1 Oracle performance monitoring using Dtrace 1 New Improved Chime 1 DTrace erroneously truncates return values to 32 bits on 32-bit kernels =============================================================== Posting activity by person for period: # of posts By ---------- -------------------------------------------------- 10 cbennett at laurustech.com (chip bennett) 8 ahl at eng.sun.com (adam leventhal) 6 ekaterina.pavlova at sun.com (ekaterina pavlova) 4 matty91 at gmail.com (matty) 3 mws at zion.eng.sun.com (michael shapiro) 3 bmc at eng.sun.com (bryan cantrill) 2 sarathy_groups at yahoo.com (parthasarathy j) 2 robert.lor at sun.com (robert lor) 2 matthew.hitchens at ubs.com (matthew.hitchens at ubs.com) 2 lgreenwood at exceededucation.com (lgreenwood at exceededucation.com) 2 jonathan.adams at sun.com (jonathan adams) 2 fcocquyt at stanford.edu (fletcher cocquyt) 1 william.kucharski at sun.com (william j. kucharski) 1 ttoulliu2002 at gmail.com (ttoulliu2002) 1 trond at norbye.org (trond norbye) 1 tom.erickson at sun.com (tom erickson) 1 ronald.kuehn at sun.com (ronald kuehn) 1 rdm at cfcl.com (rich morin) 1 peter.cudhea at sun.com (peter cudhea) 1 nik at ngo.org.uk (nik clayton) 1 mattyml at prefetch.net (matty) 1 jamesd.wi at gmail.com (james dickens) 1 james.foronda at sun.com (james foronda) 1 enda.oconnor at sun.com (enda o''connor) 1 brendan.gregg at tpg.com.au (brendan gregg) 1 boyd-adamson at usa.net (boyd adamson) 1 andrew.rutz at sun.com (andrew rutz) =============================================================== Discussion URL: http://www.opensolaris.org/jive/forum.jspa?forumID=7 Main URL: http://opensolaris.org/os/community/dtrace
Eric Boutilier
2006-Oct-04 18:05 UTC
[dtrace-discuss] Overview (rollup) of recent activity on dtrace-discuss
For background on what this is, see: http://www.opensolaris.org/jive/message.jspa?messageID=24416#24416 http://www.opensolaris.org/jive/message.jspa?messageID=25200#25200 ============================dtrace-discuss 09/16 - 09/30 ============================ Size of all threads during period: Thread size Topic ----------- ----- 138 DTrace Network Provider 11 Unconventional sampling - fire probe 1 in n 9 Tracing associate kernel module 8 re timing shell script run 7 Matching Malloc and Free 6 Looking for guidance on UDP tracing problem 5 fbt reliability 4 query re application profiling 4 committing multiple speculations in a single probe 4 Dtrace to solve hment_remove problem 4 DTrace tools for reduced memory & increased accuracy 3 tracing shutdown events 3 interrupt cost 3 Probe description does not match any probes 2 ustack vs. nm 2 question about compile application with DTrace probes 2 how to monitor the changes to the "reference count"? 2 dtrace -q -s behaves differently than dtrace -qs 2 anonymous tracing 2 Some possible content for DTrace FAQ 2 New Systemtap vs. Dtrace chart. 2 New Improved Chime 2 Dtrace script compilation error. 2 ?: operator 1 how to monitor the changes to the "reference 1 WSJ article: Some ''Breakthroughs'' Deserve That Title -- But Definitely Not All 1 Problem with weblatency script 1 Overview (rollup) of recent activity on dtrace-discuss 1 DTrace meets JavaScript 1 DTrace and Sendmail, any takers? =============================================================== Posting activity by person for period: # of posts By ---------- -------------------------------------------------- 24 brendan at sun.com (brendan gregg - sun microsystems) 19 james.d.carlson at sun.com (james carlson) 18 kacheong.poon at sun.com (kacheong poon) 16 cbennett at laurustech.com (chip bennett) 16 ahl at eng.sun.com (adam leventhal) 13 bmc at eng.sun.com (bryan cantrill) 9 roch.bourbonnais at sun.com (roch) 8 matt_stupple at yahoo.com (matt stupple) 8 brendan.gregg at tpg.com.au (brendan gregg) 7 sowmini.varadhan at sun.com (sowmini.varadhan at sun.com) 7 nicolas.williams at sun.com (nicolas williams) 7 c.lin at sun.com (chian-phon lin) 6 pengjx73 at yahoo.com (alex peng) 5 jgh at wizmail.org (jeremy harris) 5 danmcd at sun.com (dan mcdonald) 5 alan.maguire at sun.com (alan maguire) 4 sangeeta.misra at sun.com (sangeeta misra) 4 richlowe at richlowe.net (richard lowe) 4 peter.memishian at sun.com (peter.memishian at sun.com) 4 jshore at lucent.com (j.j. shore) 4 darren.reed at sun.com (darren.reed at sun.com) 3 michael.schuster at sun.com (michael schuster) 3 enda.oconnor at sun.com (enda o''connor ( sun micro systems ireland)) 2 weeyeh at gmail.com (wee yeh tan) 2 peter.memishian at sun.com (peter memishian) 2 paul.vandenbogaard at sun.com (paul van den bogaard) 2 katherine.demore at sun.com (katie demore) 2 casper.dik at sun.com (casper.dik at sun.com) 2 brian.utterback at sun.com (brian utterback) 1 tom.erickson at sun.com (tom erickson) 1 tim.cook at sun.com (tim cook - pae) 1 terri.molini at sun.com (terri molini) 1 tariq.rashid at uk.easynet.net (tariq rashid) 1 spencer.shepler at sun.com (spencer shepler) 1 rvs at sun.com (roman shaposhnik) 1 rlhamil at smart.net (richard l. hamilton) 1 rick.weisner at sun.com (rickey c weisner) 1 philip.beevers at ntlworld.com (philip beevers) 1 nik at ngo.org.uk (nik clayton) 1 michael.bergknoff at sun.com (michael bergknoff) 1 mgerdts at gmail.com (mike gerdts) 1 menno.lageman at sun.com (menno lageman) 1 luojia.chen at sun.com (luojia chen) 1 kk_841 at yahoo.com (karthik k) 1 joel.buckley at sun.com (joel buckley) 1 jamesd.wi at gmail.com (james dickens) 1 glynn.foster at sun.com (glynn foster) 1 gangadhar.m at sun.com (gangadhar mylapurm) 1 enda.oconnor at sun.com (enda o''connor - sun microsystems ireland - software engineer) 1 dan.mick at sun.com (dan mick) 1 carlton.teel at signal-analysis.com (carlton teel) 1 boehm at nortel.com (eric boehm) 1 bart.smaalders at sun.com (bart smaalders) =============================================================== Discussion URL: http://www.opensolaris.org/jive/forum.jspa?forumID=7 Main URL: http://opensolaris.org/os/community/dtrace
Eric Boutilier
2006-Nov-03 17:52 UTC
[dtrace-discuss] Overview (rollup) of recent activity on dtrace-discuss
For background on what this is, see: http://www.opensolaris.org/jive/message.jspa?messageID=24416#24416 http://www.opensolaris.org/jive/message.jspa?messageID=25200#25200 ============================dtrace-discuss 10/16 - 10/31 ============================ Size of all threads during period: Thread size Topic ----------- ----- 22 How come DTrace? (From a TNF perpetator) 16 How to emit associative array after ^C 11 Moving average in a DTrace aggregation 9 Question to pid provider 7 Why do we need clause-local variables? 7 When and when don''t probe clauses record 5 tcpsnoop problem 5 how to watch kmem_init() during boot time 5 How to drop into mdb with dtrace? 4 how to debug shared-memory using dtrace/mdb 4 Why does gethostbyname_r appear to leak? 4 Dtrace compiler performance 3 What has been swapped out? 2 monitoring readers/writer locks? 2 Write and fire a probe in Java 2 Do we have a UI for DTrace? 1 lost packet.. 1 java dtrace on sun webserver 1 [Fwd: Xserver provider for DTrace [PSARC/2006/609 Timeout: 11/06/2006]] 1 Using hm_pad2 confuses dscript ?? 1 Solaris 10 Screencasts =============================================================== Posting activity by person for period: # of posts By ---------- -------------------------------------------------- 13 cbennett at laurustech.com (chip bennett) 9 ahl at eng.sun.com (adam leventhal) 7 damcdani at cisco.com (david mcdaniel) 6 saraiya at fabric7.com (nakul saraiya) 6 bmc at eng.sun.com (bryan cantrill) 5 michael.schuster at sun.com (michael schuster) 4 tanel.poder.003 at mail.ee (tanel poder) 4 jonathan.haslam at sun.com (jonathan haslam) 4 andreas.haas at sun.com (andreas haas) 3 tom.erickson at sun.com (tom erickson) 3 thierry.manfe at sun.com (=?iso-8859-1?q?thierry_manf=e9?=) 3 pengjx73 at yahoo.com (alex peng) 3 nick.stephen at sun.com (nick stephen) 3 jshore at lucent.com (j.j. shore) 3 james.d.carlson at sun.com (james carlson) 3 james.c.mcpherson at gmail.com (james c. mcpherson) 2 zhijun.fu at sun.com (robin fu) 2 rayrayson at gmail.com (rayson ho) 2 maheshkv_india at yahoo.com (kvm) 2 dan.mick at sun.com (dan mick) 2 c.lin at sun.com (chian-phon lin) 1 surya.prakki at sun.com (surya prakki) 1 sean.mcgrath at sun.com (sean mcgrath - sun microsystems ireland) 1 russ.petruzzelli at sun.com (russ petruzzelli) 1 roch.bourbonnais at sun.com (roch - pae) 1 p.kumar at sun.com (pavan reddy) 1 opensolaris at posix.brte.com.br (msl) 1 nicolas.williams at sun.com (nicolas williams) 1 nameistao at gmail.com (tao chen) 1 matty91 at gmail.com (matty) 1 matt at mathcs.emory.edu (matthew c aycock) 1 krist.vanbesien at gmail.com (krist van besien) 1 jarod at aeysis.com (jarod jenson) 1 hua.zhang at sun.com (hua zhang) 1 greg at lakemountain.com (greg price) 1 gonzalo.siero at sun.com (gonzalo siero humet) 1 gerd at gerdcastan.de (gerd castan) 1 erhyuan.tsai at sun.com (erhyuan tsai) 1 dp at eng.sun.com (dan price) 1 darren.reed at sun.com (darren reed) 1 casper.dik at sun.com (casper dik) 1 brendan at sun.com (brendan gregg - sun microsystems) 1 benteak at gmail.com (senthil ramanujam) 1 bart.smaalders at sun.com (bart smaalders) 1 alan.coopersmith at sun.com (alan coopersmith) =============================================================== Discussion URL: http://www.opensolaris.org/jive/forum.jspa?forumID=7 Main URL: http://opensolaris.org/os/community/dtrace