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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.177.32; envelope-from=mark.kanda@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @oracle.onmicrosoft.com) X-ZM-MESSAGEID: 1637351708705100001 Content-Type: text/plain; charset="utf-8" Leverage the QMP support for querying stats. The interface supports the same arguments as the QMP interface. Examples (with fd-based KVM stats): (qemu) info stats vcpu_1 (kvm-vcpu): guest_mode (instant): 0 directed_yield_successful (cumulative): 0 ... vcpu_0 (kvm-vcpu): guest_mode (instant): 0 ... vm (kvm-vm): max_mmu_page_hash_collisions (peak): 0 max_mmu_rmap_size (peak): 0 ... (qemu) info stats-schemas kvm-vcpu: guest_mode directed_yield_successful ... kvm-vm: max_mmu_page_hash_collisions max_mmu_rmap_size ... (qemu) info stats-instances name type ---- ---- vcpu_1 kvm-vcpu vcpu_0 kvm-vcpu vm kvm-vm Signed-off-by: Mark Kanda --- hmp-commands-info.hx | 40 ++++++++++++++ include/monitor/hmp.h | 3 + monitor/hmp-cmds.c | 125 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 168 insertions(+) diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index 407a1da800..0d5f025adb 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -877,3 +877,43 @@ SRST ``info sgx`` Show intel SGX information. ERST + + { + .name =3D "stats", + .args_type =3D "name:s?,type:s?", + .params =3D "[name] [type]", + .help =3D "show statistics; optional name and type", + .cmd =3D hmp_info_stats, + }, + +SRST + ``stats`` + Show stats +ERST + + { + .name =3D "stats-schemas", + .args_type =3D "type:s?", + .params =3D "[type]", + .help =3D "show stats for schema type; optional type", + .cmd =3D hmp_info_stats_schemas, + }, + +SRST + ``stats-schemas`` + Show stats for schema type +ERST + + + { + .name =3D "stats-instances", + .args_type =3D "", + .params =3D "", + .help =3D "show current stat instances", + .cmd =3D hmp_info_stats_instances, + }, + +SRST + ``stats-instances`` + Show current stat instances +ERST diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 96d014826a..3670280a6b 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -133,5 +133,8 @@ void hmp_info_dirty_rate(Monitor *mon, const QDict *qdi= ct); void hmp_calc_dirty_rate(Monitor *mon, const QDict *qdict); void hmp_human_readable_text_helper(Monitor *mon, HumanReadableText *(*qmp_handler)(Erro= r **)); +void hmp_info_stats(Monitor *mon, const QDict *qdict); +void hmp_info_stats_schemas(Monitor *mon, const QDict *qdict); +void hmp_info_stats_instances(Monitor *mon, const QDict *qdict); =20 #endif diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 9c91bf93e9..9752ca6aa8 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -2165,3 +2165,128 @@ void hmp_info_memory_size_summary(Monitor *mon, con= st QDict *qdict) } hmp_handle_error(mon, err); } + +void hmp_info_stats(Monitor *mon, const QDict *qdict) +{ + StatsList *stats_list, *stats_list_entry; + Stats *stats_entry; + StatDataList *data_entry; + StatData *stat; + uint64List *val; + const char *name, *type; + Error *err =3D NULL; + + name =3D qdict_get_try_str(qdict, "name"); + type =3D qdict_get_try_str(qdict, "type"); + + stats_list =3D qmp_query_stats(name ? TRUE : FALSE, name, + type ? TRUE : FALSE, type, &err); + + if (err) { + monitor_printf(mon, "%s\n", error_get_pretty(err)); + error_free(err); + return; + } + + for (stats_list_entry =3D stats_list; stats_list_entry; + stats_list_entry =3D stats_list_entry->next) { + stats_entry =3D stats_list_entry->value; + monitor_printf(mon, "\n%s (%s):\n", stats_entry->name, + StatSchemaType_str(stats_entry->type)); + + for (data_entry =3D stats_entry->stats; data_entry; + data_entry =3D data_entry->next) { + stat =3D data_entry->value; + monitor_printf(mon, " %s (%s):", stat->name, + StatType_str(stat->type)); + + for (val =3D stat->val; val; val =3D val->next) { + if (stat->unit =3D=3D STAT_UNIT_SECONDS && + stat->exponent >=3D -9 && stat->exponent <=3D 0 && + stat->exponent % 3 =3D=3D 0 && stat->base =3D=3D 10) { + const char *si_prefix[] =3D { "", "milli", "micro", "n= ano" }; + monitor_printf(mon, " %lu %s", val->value, + si_prefix[stat->exponent / -3]); + } else if ( + stat->unit =3D=3D STAT_UNIT_BYTES && + stat->exponent >=3D 0 && stat->exponent <=3D 40 && + stat->exponent % 10 =3D=3D 0 && stat->base =3D=3D 2) { + const char *si_prefix[] =3D { + "", "kilo", "mega", "giga", "tera" }; + monitor_printf(mon, " %lu %s", val->value, + si_prefix[stat->exponent / 10]); + } else if (stat->exponent) { + /* Print the base and exponent as "*^" */ + monitor_printf(mon, " %lu*%d^%d", val->value, + stat->base, stat->exponent); + } else { + monitor_printf(mon, " %lu", val->value); + } + + /* Don't print "none" unit type */ + monitor_printf(mon, "%s\n", stat->unit =3D=3D STAT_UNIT_NO= NE ? + "" : StatUnit_str(stat->unit)); + } + } + } + qapi_free_StatsList(stats_list); +} + +void hmp_info_stats_schemas(Monitor *mon, const QDict *qdict) +{ + StatsSchemaList *stats_list, *stats_list_entry; + StatsSchema *stats_entry; + StatSchemaEntryList *data_entry; + StatSchemaEntry *stat; + const char *type; + Error *err =3D NULL; + + type =3D qdict_get_try_str(qdict, "type"); + + stats_list =3D qmp_query_stats_schemas(type ? TRUE : FALSE, type, &err= ); + + if (err) { + monitor_printf(mon, "%s\n", error_get_pretty(err)); + error_free(err); + return; + } + + for (stats_list_entry =3D stats_list; stats_list_entry; + stats_list_entry =3D stats_list_entry->next) { + stats_entry =3D stats_list_entry->value; + monitor_printf(mon, "\n%s:\n", StatSchemaType_str(stats_entry->typ= e)); + + for (data_entry =3D stats_entry->stats; data_entry; + data_entry =3D data_entry->next) { + stat =3D data_entry->value; + monitor_printf(mon, " %s\n", stat->name); + } + } + qapi_free_StatsSchemaList(stats_list); +} + +void hmp_info_stats_instances(Monitor *mon, const QDict *qdict) +{ + StatsInstanceList *stats_list, *stats_list_entry; + StatsInstance *stats_entry; + Error *err =3D NULL; + + stats_list =3D qmp_query_stats_instances(&err); + + if (err) { + monitor_printf(mon, "%s\n", error_get_pretty(err)); + error_free(err); + return; + } + + monitor_printf(mon, "%-15s %s\n", "name", "type"); + monitor_printf(mon, "%-15s %s\n", "----", "----"); + + for (stats_list_entry =3D stats_list; stats_list_entry; + stats_list_entry =3D stats_list_entry->next) { + stats_entry =3D stats_list_entry->value; + monitor_printf(mon, "%-15s %s\n", stats_entry->name, + StatSchemaType_str(stats_entry->type)); + } + qapi_free_StatsInstanceList(stats_list); +} --=20 2.26.2