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Subject[PATCH 3/3] trace-cmd: Fix and cleanup kvm_nested_vmexit tracepoints
Date
From: Jan Kiszka <jan.kiszka@siemens.com>

Fix several issues of kvm_nested_vmexit[_inject]: field width aren't
supported with pevent_print, rip was printed twice/incorrectly, SVM ISA
was hard-coded, we don't use ':' to separate field names.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
plugin_kvm.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/plugin_kvm.c b/plugin_kvm.c
index c407e55..cb52e9e 100644
--- a/plugin_kvm.c
+++ b/plugin_kvm.c
@@ -330,19 +330,13 @@ static int kvm_emulate_insn_handler(struct trace_seq *s, struct pevent_record *r
static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct pevent_record *record,
struct event_format *event, void *context)
{
- unsigned long long val;
-
- pevent_print_num_field(s, " rip %0x016llx", event, "rip", record, 1);
-
- if (pevent_get_field_val(s, event, "exit_code", record, &val, 1) < 0)
+ if (print_exit_reason(s, record, event, "exit_code") < 0)
return -1;

- trace_seq_printf(s, "reason %s", find_exit_reason(2, val));
-
- pevent_print_num_field(s, " ext_inf1: %0x016llx", event, "exit_info1", record, 1);
- pevent_print_num_field(s, " ext_inf2: %0x016llx", event, "exit_info2", record, 1);
- pevent_print_num_field(s, " ext_int: %0x016llx", event, "exit_int_info", record, 1);
- pevent_print_num_field(s, " ext_int_err: %0x016llx", event, "exit_int_info_err", record, 1);
+ pevent_print_num_field(s, " info1 %llx", event, "exit_info1", record, 1);
+ pevent_print_num_field(s, " info2 %llx", event, "exit_info2", record, 1);
+ pevent_print_num_field(s, " int_info %llx", event, "exit_int_info", record, 1);
+ pevent_print_num_field(s, " int_info_err %llx", event, "exit_int_info_err", record, 1);

return 0;
}
@@ -350,7 +344,7 @@ static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct pevent_r
static int kvm_nested_vmexit_handler(struct trace_seq *s, struct pevent_record *record,
struct event_format *event, void *context)
{
- pevent_print_num_field(s, " rip %0x016llx", event, "rip", record, 1);
+ pevent_print_num_field(s, "rip %lx ", event, "rip", record, 1);

return kvm_nested_vmexit_inject_handler(s, record, event, context);
}
--
1.8.1.1.298.ge7eed54


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