diff options
Diffstat (limited to 'open_issues/performance/io_system')
| -rw-r--r-- | open_issues/performance/io_system/binutils_ld_64ksec.mdwn | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/open_issues/performance/io_system/binutils_ld_64ksec.mdwn b/open_issues/performance/io_system/binutils_ld_64ksec.mdwn index 60dca510..86450576 100644 --- a/open_issues/performance/io_system/binutils_ld_64ksec.mdwn +++ b/open_issues/performance/io_system/binutils_ld_64ksec.mdwn @@ -12,8 +12,9 @@ License|/fdl]]."]]"""]] This one may be considered as a testcase for I/O system optimization. -It is taken from the [[binutils_testsuite]], `ld/ld-elf/sec64k.exp`, where this -test may occasionally [[trigger a timeout|binutils_testsuite#64ksec]]. It is +It is taken from the [[binutils testsuite|binutils/testsuite]], +`ld/ld-elf/sec64k.exp`, where this +test may occasionally [[trigger a timeout|binutils/testsuite#64ksec]]. It is extracted from cdf7c161ebd4a934c9e705d33f5247fd52975612 sources, 2010-10-24. $ wget -O - http://www.gnu.org/software/hurd/open_issues/performance/io_system/binutils_ld_64ksec/test.tar.xz | xz -d | tar -x @@ -26,7 +27,7 @@ On the idle grubber, this one repeatedly takes a few minutes wall time to complete successfully, contrary to a few seconds on a GNU/Linux system. While processing the object files, there is heavy interaction with the relevant -[[hurd/translator/ext2fs]] process . Running [[hurd/debugging/rpctrace]] on +[[hurd/translator/ext2fs]] process. Running [[hurd/debugging/rpctrace]] on the testee shows that (primarily) an ever-repeating series of `io_seek` and `io_read` is being processed. Running the testee on GNU/Linux with strace shows the equivalent thing (`_llseek`, `read`) -- but Linux' I/O system isn't |