forked from luck/tmp_suning_uos_patched
perf/core improvements and fixes:
. Updates from trace-cmd for traceevent plugin_kvm plus args cleanup (Steven Rostedt, Jan Kiszka) Signed-off-by: Jiri Olsa <jolsa@kernel.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJTo+cjAAoJEPZqUSBWB3s9FmgQAMGQVxlwaGBdHrczPMwHjPgS GDbzzF5Qlk4PfE5gKVgKyHumx/wsNNgDc/t9fRng5TwnAJTnNu0b8mtzAvOCCjGK 1BXEhFNhBh1NV6yCd/UjXfCg7v8Wg73weDUffiAjrigNqH5pIi2Ug/SiCdL3fxkA a5+zpsTwo630UR+GlwWqBUNrXYlEV9dv8+39ydTg2paihyaS65pLEjh6ahIfybd1 lRY3n0c0SZgJl0GZxqkJxpGlAzp6FdoPFzcyMnK6+VfOR8NX9SakU7mAXCmC5eiu qJ8j0vOvcSQruhGXuDD3Lu1rmE98vaoVC2bJJ/bCacVcgRoVkN/J3mxOBDn98aRm d52umBTGTFCbvZdFVYxs9WAMyixV6RTiRZKCCdcVSiI2tvSGcfE7KvnGKKR6F3Re qnov2NSpca44LSbtvl4OY+fDbOLrD8ZEslgO6qxa+J+AFAiu2hAJbGNG22zYSZT3 jOwCgx1GPdlcchmCOoXXdrZLZ6qf1YGb1mZXCMRdArABv3ZO01N0PXcRMSmCQVaE HinB5awLo95YIEy89EiVQLqsDvI143Fr7j3gsjcgmWpiT5OTewRkyNViCBphol4o tSSkgICzr6wd1rFgHmeLlDw3ic0LDw2DfYG/5P0WHdObJLMY83p1Y1J+sHmJ1GtY IAPWoDTRejiZ2kL5CC5+ =S9cK -----END PGP SIGNATURE----- Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/core Pull perf/core improvements and fixes from Jiri Olsa: * Updates from trace-cmd for traceevent plugin_kvm plus args cleanup (Steven Rostedt, Jan Kiszka) Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
commit
1c92f88542
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@ -5,8 +5,7 @@
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#include "event-parse.h"
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static unsigned long long
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process___le16_to_cpup(struct trace_seq *s,
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unsigned long long *args)
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process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
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{
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uint16_t *val = (uint16_t *) (unsigned long) args[0];
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return val ? (long long) le16toh(*val) : 0;
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@ -30,8 +30,7 @@
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#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK))
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static unsigned long long
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process_jbd2_dev_to_name(struct trace_seq *s,
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unsigned long long *args)
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process_jbd2_dev_to_name(struct trace_seq *s, unsigned long long *args)
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{
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unsigned int dev = args[0];
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@ -40,8 +39,7 @@ process_jbd2_dev_to_name(struct trace_seq *s,
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}
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static unsigned long long
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process_jiffies_to_msecs(struct trace_seq *s,
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unsigned long long *args)
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process_jiffies_to_msecs(struct trace_seq *s, unsigned long long *args)
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{
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unsigned long long jiffies = args[0];
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@ -240,25 +240,38 @@ static const char *find_exit_reason(unsigned isa, int val)
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for (i = 0; strings[i].val >= 0; i++)
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if (strings[i].val == val)
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break;
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if (strings[i].str)
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return strings[i].str;
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return "UNKNOWN";
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}
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static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
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struct event_format *event, void *context)
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static int print_exit_reason(struct trace_seq *s, struct pevent_record *record,
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struct event_format *event, const char *field)
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{
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unsigned long long isa;
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unsigned long long val;
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unsigned long long info1 = 0, info2 = 0;
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const char *reason;
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if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)
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if (pevent_get_field_val(s, event, field, record, &val, 1) < 0)
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return -1;
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if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0)
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isa = 1;
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trace_seq_printf(s, "reason %s", find_exit_reason(isa, val));
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reason = find_exit_reason(isa, val);
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if (reason)
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trace_seq_printf(s, "reason %s", reason);
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else
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trace_seq_printf(s, "reason UNKNOWN (%llu)", val);
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return 0;
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}
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static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
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struct event_format *event, void *context)
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{
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unsigned long long info1 = 0, info2 = 0;
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if (print_exit_reason(s, record, event, "exit_reason") < 0)
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return -1;
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pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);
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@ -313,6 +326,29 @@ static int kvm_emulate_insn_handler(struct trace_seq *s,
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return 0;
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}
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static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct pevent_record *record,
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struct event_format *event, void *context)
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{
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if (print_exit_reason(s, record, event, "exit_code") < 0)
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return -1;
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pevent_print_num_field(s, " info1 %llx", event, "exit_info1", record, 1);
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pevent_print_num_field(s, " info2 %llx", event, "exit_info2", record, 1);
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pevent_print_num_field(s, " int_info %llx", event, "exit_int_info", record, 1);
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pevent_print_num_field(s, " int_info_err %llx", event, "exit_int_info_err", record, 1);
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return 0;
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}
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static int kvm_nested_vmexit_handler(struct trace_seq *s, struct pevent_record *record,
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struct event_format *event, void *context)
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{
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pevent_print_num_field(s, "rip %llx ", event, "rip", record, 1);
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return kvm_nested_vmexit_inject_handler(s, record, event, context);
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}
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union kvm_mmu_page_role {
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unsigned word;
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struct {
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@ -409,6 +445,12 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
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pevent_register_event_handler(pevent, -1, "kvm", "kvm_emulate_insn",
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kvm_emulate_insn_handler, NULL);
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pevent_register_event_handler(pevent, -1, "kvm", "kvm_nested_vmexit",
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kvm_nested_vmexit_handler, NULL);
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pevent_register_event_handler(pevent, -1, "kvm", "kvm_nested_vmexit_inject",
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kvm_nested_vmexit_inject_handler, NULL);
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pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_get_page",
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kvm_mmu_get_page_handler, NULL);
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@ -443,6 +485,12 @@ void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
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pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_emulate_insn",
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kvm_emulate_insn_handler, NULL);
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pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_nested_vmexit",
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kvm_nested_vmexit_handler, NULL);
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pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_nested_vmexit_inject",
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kvm_nested_vmexit_inject_handler, NULL);
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pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_get_page",
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kvm_mmu_get_page_handler, NULL);
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