Hi The Bug332905 was created for this reported problem. I've posted some investigation results. Please refer to this bug for more details. https://bugs.eclipse.org/bugs/show_bug.cgi?id=332905
Thanks Bernd On Thu, Dec 16, 2010 at 6:36 PM, Tony Jones <to...@suse.de> wrote: > Hi. > > I'm having some issues with the control flow view. > > 2.6.36 lttng enabled kernel, svn r27050 of the plugin. > > I ran the following steps in single user with maxcpus=1 > > cc -o open-write open-write.c > lttctl -C -p <path> traceK > ./open-write foo > lttctl -D traceK > > This generated what seems to be a good trace. > > lttv -m textDump -t <path> | grep "syscall_.*open-write" shows all the > expected > syscalls. > > My issue is that the eclipse plugin doesn't show what I expected it would. > Selecting the task in the control view and iterating the events with > NextEv, > all I see is: > > kernel/0/process_fork > kernel/0/sched_schedule > kernel/0/syscall_entry > [then nothing] > > If I adjust the trace to 206.000 I can see two gantt entries for > open-write, > one WAIT and another for SYSCALL but the later states that the stop time is > undefined which is consistent with it failing to see a syscall_exit event. > > Trace is at: http://ftp.suse.com/pub/people/tonyj/temp/trace.tar.bz2 > > Tony > > ---- open-write.c ---- > #include <stdio.h> > #include <string.h> > #include <sys/types.h> > #include <sys/stat.h> > #include <fcntl.h> > > int main(int argc, char *argv[]) > { > int fd, cnt; > pid_t pid=getpid(); > > char *s="this is a sample string!"; > char buf[512]; > > if (argc != 2) { > fprintf(stderr, "usage: %s filename\n", argv[0]); > return 1; > } > > fd = open(argv[1], O_RDWR|O_CREAT, 0600); > > if (fd == -1) { > perror("open"); > return 1; > } > > if (write(fd, s, strlen(s)) != strlen(s)) { > perror("write"); > return 1; > } > > lseek(fd, SEEK_SET, 0); > > cnt=read(fd, buf, sizeof(buf)); > buf[cnt] = 0; > > > printf("%u: %s\n", pid, buf); > > close(fd); > } > ---------------------- > _______________________________________________ > linuxtools-dev mailing list > linuxtools-dev@eclipse.org > https://dev.eclipse.org/mailman/listinfo/linuxtools-dev >
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