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* [Bug general/4226] New: new libunwind bindings test-ptrace-mapper very slow.
@ 2007-03-20 21:38 npremji at redhat dot com
2007-03-20 21:48 ` [Bug general/4226] " npremji at redhat dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: npremji at redhat dot com @ 2007-03-20 21:38 UTC (permalink / raw)
To: frysk-bugzilla
--
Summary: new libunwind bindings test-ptrace-mapper very slow.
Product: frysk
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: general
AssignedTo: frysk-bugzilla at sourceware dot org
ReportedBy: npremji at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=4226
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You are the assignee for the bug, or are watching the assignee.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug general/4226] new libunwind bindings test-ptrace-mapper very slow. 2007-03-20 21:38 [Bug general/4226] New: new libunwind bindings test-ptrace-mapper very slow npremji at redhat dot com @ 2007-03-20 21:48 ` npremji at redhat dot com 2007-03-20 21:51 ` npremji at redhat dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: npremji at redhat dot com @ 2007-03-20 21:48 UTC (permalink / raw) To: frysk-bugzilla ------- Additional Comments From npremji at redhat dot com 2007-03-20 21:48 ------- Created an attachment (id=1637) --> (http://sourceware.org/bugzilla/attachment.cgi?id=1637&action=view) libunwind 20070224 straced. -- http://sourceware.org/bugzilla/show_bug.cgi?id=4226 ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug general/4226] new libunwind bindings test-ptrace-mapper very slow. 2007-03-20 21:38 [Bug general/4226] New: new libunwind bindings test-ptrace-mapper very slow npremji at redhat dot com 2007-03-20 21:48 ` [Bug general/4226] " npremji at redhat dot com @ 2007-03-20 21:51 ` npremji at redhat dot com 2007-03-20 22:49 ` npremji at redhat dot com 2007-03-20 23:03 ` npremji at redhat dot com 3 siblings, 0 replies; 5+ messages in thread From: npremji at redhat dot com @ 2007-03-20 21:51 UTC (permalink / raw) To: frysk-bugzilla ------- Additional Comments From npremji at redhat dot com 2007-03-20 21:50 ------- Created an attachment (id=1638) --> (http://sourceware.org/bugzilla/attachment.cgi?id=1638&action=view) libunwind 0.98.5 straced. -- http://sourceware.org/bugzilla/show_bug.cgi?id=4226 ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug general/4226] new libunwind bindings test-ptrace-mapper very slow. 2007-03-20 21:38 [Bug general/4226] New: new libunwind bindings test-ptrace-mapper very slow npremji at redhat dot com 2007-03-20 21:48 ` [Bug general/4226] " npremji at redhat dot com 2007-03-20 21:51 ` npremji at redhat dot com @ 2007-03-20 22:49 ` npremji at redhat dot com 2007-03-20 23:03 ` npremji at redhat dot com 3 siblings, 0 replies; 5+ messages in thread From: npremji at redhat dot com @ 2007-03-20 22:49 UTC (permalink / raw) To: frysk-bugzilla ------- Additional Comments From npremji at redhat dot com 2007-03-20 22:49 ------- It seems as though this bug has to do with caching. The logs show that reads are done when no ptrace-continue has occurred and the maps should still be valid. <cagney> ptrace(PTRACE_PEEKUSER, 24688, 4*EIP, [0x56c402]) = 0 <cagney> open("/proc/24688/maps", O_RDONLY) = 3 <cagney> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f15000 <cagney> read(3, "0056c000-0056d000 r-xp 0056c000 "..., 4096) = 4060 <cagney> read(3, "b7fb6000-b7fb7000 -w-p b7fb6000 "..., 4096) = 1574 <cagney> read(3, "", 4096) = 0 <cagney> close(3) = 0 <cagney> munmap(0xb7f15000, 4096) = 0 <cagney> rt_sigprocmask(SIG_SETMASK, ~[RTMIN RT_1], [], 8) = 0 <cagney> open("/proc/24688/maps", O_RDONLY) = 3 <cagney> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f15000 <cagney> read(3, "0056c000-0056d000 r-xp 0056c000 "..., 4096) = 4060 <cagney> read(3, "b0aec000-b0aed000 -w-p b0aec000 "..., 4096) = 4059 -- What |Removed |Added ---------------------------------------------------------------------------- OtherBugsDependingO| |3076 nThis| | http://sourceware.org/bugzilla/show_bug.cgi?id=4226 ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug general/4226] new libunwind bindings test-ptrace-mapper very slow. 2007-03-20 21:38 [Bug general/4226] New: new libunwind bindings test-ptrace-mapper very slow npremji at redhat dot com ` (2 preceding siblings ...) 2007-03-20 22:49 ` npremji at redhat dot com @ 2007-03-20 23:03 ` npremji at redhat dot com 3 siblings, 0 replies; 5+ messages in thread From: npremji at redhat dot com @ 2007-03-20 23:03 UTC (permalink / raw) To: frysk-bugzilla ------- Additional Comments From npremji at redhat dot com 2007-03-20 23:03 ------- upstream bug: https://savannah.nongnu.org/bugs/index.php?19365 -- http://sourceware.org/bugzilla/show_bug.cgi?id=4226 ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2007-03-20 23:03 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-03-20 21:38 [Bug general/4226] New: new libunwind bindings test-ptrace-mapper very slow npremji at redhat dot com 2007-03-20 21:48 ` [Bug general/4226] " npremji at redhat dot com 2007-03-20 21:51 ` npremji at redhat dot com 2007-03-20 22:49 ` npremji at redhat dot com 2007-03-20 23:03 ` npremji at redhat dot com
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