Date: Fri, 6 Apr 2007 16:04:23 +0800 From: "Howard Su" <howard0su@gmail.com> To: current@freebsd.org Cc: alfred@freebsd.org, Robert Watson <rwatson@freebsd.org> Subject: Re: [Review] Remove procfs dependency of truss Message-ID: <f126fae00704060104w1fd4b060w35f2073eced93f57@mail.gmail.com> In-Reply-To: <f126fae00704040118w25a7b291xdcf1b6300bab1ceb@mail.gmail.com> References: <f126fae00704040118w25a7b291xdcf1b6300bab1ceb@mail.gmail.com>
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------=_Part_3006_3639545.1175846663809 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Thanks to Robert to point out that my original patch didn't work against a threaded application. I fixed that. Please try the new patch. I tested this patch under i386 box only with libthr and libpthread. Howard On 4/4/07, Howard Su <howard0su@gmail.com> wrote: > Following the suggestion in idea page, I proposed the attached patch. > I didn't change any kernel part because I think PTRACE(2) is > functional although man page didn't document it. > > I tested the patch under i386 and amd64 box. The help on testing and > code review will be appreciated. > > To test, please try the following commands: > 1. truss ps > basic stuff > 2. truss -o output ps > output the result to file > 3. truss -f -o output sh -c "ps" > test follow fork > 4. start TOP(1) in another session, the > truss -p <pid_of_top> > > -- > -Howard > > -- -Howard ------=_Part_3006_3639545.1175846663809 Content-Type: text/plain; name=truss_patch.diff; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: base64 X-Attachment-Id: f_f06cp13a Content-Disposition: attachment; filename="truss_patch.diff" PT09PSAvL2RlcG90L3ZlbmRvci9mcmVlYnNkL3NyYy91c3IuYmluL3RydXNzL01ha2VmaWxlIzkg KHRleHQra28pIC0gLy9kZXBvdC91c2VyL2hvd2FyZHN1L3RydXNzL3Vzci5iaW4vdHJ1c3MvTWFr ZWZpbGUjMSAodGV4dCtrbykgPT09PSBpZGVudGljYWwKPT09PSAvL2RlcG90L3ZlbmRvci9mcmVl YnNkL3NyYy91c3IuYmluL3RydXNzL2FtZDY0LWZic2QuYyM2ICh0ZXh0K2tvKSAtIC8vZGVwb3Qv dXNlci9ob3dhcmRzdS90cnVzcy91c3IuYmluL3RydXNzL2FtZDY0LWZic2QuYyM1ICh0ZXh0K2tv 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