(2012/04/12 23:49), Srikar Dronamraju wrote: >>> + >>> + # echo 'p /bin/zsh:0x46420 %ip %ax' > uprobe_events >>> + >>> +Please note: User has to explicitly calculate the offset of the probepoint >>> +in the object. We can see the events that are registered by looking at the >>> +uprobe_events file. >>> + >>> + # cat uprobe_events >>> + p:uprobes/p_zsh_0x46420 /bin/zsh:0x0000000000046420 >> >> Doesn't uprobe_events show the arguments of existing events? >> And also, could you add an event format of above event here? >> > > [root@f14kvm tracing]# cat uprobe_events > [root@f14kvm tracing]# echo 'p /bin/zsh:0x46420 %ip %ax' > uprobe_events > [root@f14kvm tracing]# cat uprobe_events > p:uprobes/p_zsh_0x46420 /bin/zsh:0x00046420 arg1=%ip arg2=%ax > [root@f14kvm tracing]# cat events/uprobes/p_zsh_0x46420/format > name: p_zsh_0x46420 > ID: 922 > format: > field:unsigned short common_type; offset:0; size:2; signed:0; > field:unsigned char common_flags; offset:2; size:1; signed:0; > field:unsigned char common_preempt_count; offset:3; size:1; signed:0; > field:int common_pid; offset:4; size:4; signed:1; > field:int common_padding; offset:8; size:4; signed:1; > > field:unsigned long __probe_ip; offset:12; size:4; signed:0; > field:u32 arg1; offset:16; size:4; signed:0; > field:u32 arg2; offset:20; size:4; signed:0; > > print fmt: "(%lx) arg1=%lx arg2=%lx", REC->__probe_ip, REC->arg1, REC->arg2 > [root@f14kvm tracing]# > > Will update the Documentation file with correct output of "cat > uprobe_events". Do you want the format file to be added to the > Documentation? Yes, I want, please :) Thank you! -- Masami HIRAMATSU Software Platform Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu.pt@xxxxxxxxxxx -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>