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Commit 20d3cbd7 authored by Jan Kiszka's avatar Jan Kiszka Committed by Jiri Olsa
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tools lib traceevent: Report unknown VMX exit reasons with code 

Allows to parse the result even if the KVM plugin does not yet
understand a specific exit code.

Link: http://lkml.kernel.org/r/5207446F.1090703@web.de



Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
parent 4ba96195

tools/lib/traceevent/plugin_kvm.c

+8 −4
Original line number Diff line number Diff line
@@ -240,9 +240,8 @@ static const char *find_exit_reason(unsigned isa, int val) 
	for (i = 0; strings[i].val >= 0; i++)

		if (strings[i].val == val)

			break;

	if (strings[i].str)



	return strings[i].str;

	return "UNKNOWN";

}



static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
@@ -251,6 +250,7 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record, 
	unsigned long long isa;

	unsigned long long val;

	unsigned long long info1 = 0, info2 = 0;

	const char *reason;



	if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)

		return -1;
@@ -258,7 +258,11 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record, 
	if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0)

		isa = 1;



	trace_seq_printf(s, "reason %s", find_exit_reason(isa, val));

	reason = find_exit_reason(isa, val);

	if (reason)

		trace_seq_printf(s, "reason %s", reason);

	else

		trace_seq_printf(s, "reason UNKNOWN (%llu)", val);



	pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);