From f2b901098e14ad1aaffab82464917b8679499cc5 Mon Sep 17 00:00:00 2001 From: zhenwei pi Date: Wed, 1 Mar 2023 18:58:46 +0800 Subject: [PATCH] cryptodev: Support query-stats QMP command MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Now we can use "query-stats" QMP command to query statistics of crypto devices. (Originally this was designed to show statistics by '{"execute": "query-cryptodev"}'. Daniel Berrangé suggested that querying configuration info by "query-cryptodev", and querying runtime performance info by "query-stats". This makes sense!) Example: ~# virsh qemu-monitor-command vm '{"execute": "query-stats", \ "arguments": {"target": "cryptodev"} }' | jq { "return": [ { "provider": "cryptodev", "stats": [ { "name": "asym-verify-bytes", "value": 7680 }, ... { "name": "asym-decrypt-ops", "value": 32 }, { "name": "asym-encrypt-ops", "value": 48 } ], "qom-path": "/objects/cryptodev0" # support asym only }, { "provider": "cryptodev", "stats": [ { "name": "asym-verify-bytes", "value": 0 }, ... { "name": "sym-decrypt-bytes", "value": 5376 }, ... ], "qom-path": "/objects/cryptodev1" # support asym/sym } ], "id": "libvirt-422" } Suggested-by: Daniel P. Berrangé Reviewed-by: Daniel P. Berrangé Signed-off-by: zhenwei pi Message-Id: <20230301105847.253084-12-pizhenwei@bytedance.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- backends/cryptodev.c | 155 +++++++++++++++++++++++++++++++++++++++++ qapi/stats.json | 10 ++- stats/stats-hmp-cmds.c | 5 ++ stats/stats-qmp-cmds.c | 2 + 4 files changed, 170 insertions(+), 2 deletions(-) diff --git a/backends/cryptodev.c b/backends/cryptodev.c index 7c10a2e1cb..94ca393cee 100644 --- a/backends/cryptodev.c +++ b/backends/cryptodev.c @@ -23,8 +23,10 @@ #include "qemu/osdep.h" #include "sysemu/cryptodev.h" +#include "sysemu/stats.h" #include "qapi/error.h" #include "qapi/qapi-commands-cryptodev.h" +#include "qapi/qapi-types-stats.h" #include "qapi/visitor.h" #include "qemu/config-file.h" #include "qemu/error-report.h" @@ -32,6 +34,28 @@ #include "qom/object_interfaces.h" #include "hw/virtio/virtio-crypto.h" +#define SYM_ENCRYPT_OPS_STR "sym-encrypt-ops" +#define SYM_DECRYPT_OPS_STR "sym-decrypt-ops" +#define SYM_ENCRYPT_BYTES_STR "sym-encrypt-bytes" +#define SYM_DECRYPT_BYTES_STR "sym-decrypt-bytes" + +#define ASYM_ENCRYPT_OPS_STR "asym-encrypt-ops" +#define ASYM_DECRYPT_OPS_STR "asym-decrypt-ops" +#define ASYM_SIGN_OPS_STR "asym-sign-ops" +#define ASYM_VERIFY_OPS_STR "asym-verify-ops" +#define ASYM_ENCRYPT_BYTES_STR "asym-encrypt-bytes" +#define ASYM_DECRYPT_BYTES_STR "asym-decrypt-bytes" +#define ASYM_SIGN_BYTES_STR "asym-sign-bytes" +#define ASYM_VERIFY_BYTES_STR "asym-verify-bytes" + +typedef struct StatsArgs { + union StatsResultsType { + StatsResultList **stats; + StatsSchemaList **schema; + } result; + strList *names; + Error **errp; +} StatsArgs; static QTAILQ_HEAD(, CryptoDevBackendClient) crypto_clients; @@ -435,6 +459,134 @@ static void cryptodev_backend_finalize(Object *obj) } } +static StatsList *cryptodev_backend_stats_add(const char *name, int64_t *val, + StatsList *stats_list) +{ + Stats *stats = g_new0(Stats, 1); + + stats->name = g_strdup(name); + stats->value = g_new0(StatsValue, 1); + stats->value->type = QTYPE_QNUM; + stats->value->u.scalar = *val; + + QAPI_LIST_PREPEND(stats_list, stats); + return stats_list; +} + +static int cryptodev_backend_stats_query(Object *obj, void *data) +{ + StatsArgs *stats_args = data; + StatsResultList **stats_results = stats_args->result.stats; + StatsList *stats_list = NULL; + StatsResult *entry; + CryptoDevBackend *backend; + CryptodevBackendSymStat *sym_stat; + CryptodevBackendAsymStat *asym_stat; + + if (!object_dynamic_cast(obj, TYPE_CRYPTODEV_BACKEND)) { + return 0; + } + + backend = CRYPTODEV_BACKEND(obj); + sym_stat = backend->sym_stat; + if (sym_stat) { + stats_list = cryptodev_backend_stats_add(SYM_ENCRYPT_OPS_STR, + &sym_stat->encrypt_ops, stats_list); + stats_list = cryptodev_backend_stats_add(SYM_DECRYPT_OPS_STR, + &sym_stat->decrypt_ops, stats_list); + stats_list = cryptodev_backend_stats_add(SYM_ENCRYPT_BYTES_STR, + &sym_stat->encrypt_bytes, stats_list); + stats_list = cryptodev_backend_stats_add(SYM_DECRYPT_BYTES_STR, + &sym_stat->decrypt_bytes, stats_list); + } + + asym_stat = backend->asym_stat; + if (asym_stat) { + stats_list = cryptodev_backend_stats_add(ASYM_ENCRYPT_OPS_STR, + &asym_stat->encrypt_ops, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_DECRYPT_OPS_STR, + &asym_stat->decrypt_ops, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_SIGN_OPS_STR, + &asym_stat->sign_ops, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_VERIFY_OPS_STR, + &asym_stat->verify_ops, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_ENCRYPT_BYTES_STR, + &asym_stat->encrypt_bytes, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_DECRYPT_BYTES_STR, + &asym_stat->decrypt_bytes, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_SIGN_BYTES_STR, + &asym_stat->sign_bytes, stats_list); + stats_list = cryptodev_backend_stats_add(ASYM_VERIFY_BYTES_STR, + &asym_stat->verify_bytes, stats_list); + } + + entry = g_new0(StatsResult, 1); + entry->provider = STATS_PROVIDER_CRYPTODEV; + entry->qom_path = g_strdup(object_get_canonical_path(obj)); + entry->stats = stats_list; + QAPI_LIST_PREPEND(*stats_results, entry); + + return 0; +} + +static void cryptodev_backend_stats_cb(StatsResultList **result, + StatsTarget target, + strList *names, strList *targets, + Error **errp) +{ + switch (target) { + case STATS_TARGET_CRYPTODEV: + { + Object *objs = container_get(object_get_root(), "/objects"); + StatsArgs stats_args; + stats_args.result.stats = result; + stats_args.names = names; + stats_args.errp = errp; + + object_child_foreach(objs, cryptodev_backend_stats_query, &stats_args); + break; + } + default: + break; + } +} + +static StatsSchemaValueList *cryptodev_backend_schemas_add(const char *name, + StatsSchemaValueList *list) +{ + StatsSchemaValueList *schema_entry = g_new0(StatsSchemaValueList, 1); + + schema_entry->value = g_new0(StatsSchemaValue, 1); + schema_entry->value->type = STATS_TYPE_CUMULATIVE; + schema_entry->value->name = g_strdup(name); + schema_entry->next = list; + + return schema_entry; +} + +static void cryptodev_backend_schemas_cb(StatsSchemaList **result, + Error **errp) +{ + StatsSchemaValueList *stats_list = NULL; + const char *sym_stats[] = { SYM_ENCRYPT_OPS_STR, SYM_DECRYPT_OPS_STR, + SYM_ENCRYPT_BYTES_STR, SYM_DECRYPT_BYTES_STR }; + const char *asym_stats[] = { ASYM_ENCRYPT_OPS_STR, ASYM_DECRYPT_OPS_STR, + ASYM_SIGN_OPS_STR, ASYM_VERIFY_OPS_STR, + ASYM_ENCRYPT_BYTES_STR, ASYM_DECRYPT_BYTES_STR, + ASYM_SIGN_BYTES_STR, ASYM_VERIFY_BYTES_STR }; + + for (int i = 0; i < ARRAY_SIZE(sym_stats); i++) { + stats_list = cryptodev_backend_schemas_add(sym_stats[i], stats_list); + } + + for (int i = 0; i < ARRAY_SIZE(asym_stats); i++) { + stats_list = cryptodev_backend_schemas_add(asym_stats[i], stats_list); + } + + add_stats_schema(result, STATS_PROVIDER_CRYPTODEV, STATS_TARGET_CRYPTODEV, + stats_list); +} + static void cryptodev_backend_class_init(ObjectClass *oc, void *data) { @@ -456,6 +608,9 @@ cryptodev_backend_class_init(ObjectClass *oc, void *data) cryptodev_backend_get_ops, cryptodev_backend_set_ops, NULL, NULL); + + add_stats_callbacks(STATS_PROVIDER_CRYPTODEV, cryptodev_backend_stats_cb, + cryptodev_backend_schemas_cb); } static const TypeInfo cryptodev_backend_info = { diff --git a/qapi/stats.json b/qapi/stats.json index 57db5b1c74..1f5d3c59ab 100644 --- a/qapi/stats.json +++ b/qapi/stats.json @@ -50,10 +50,14 @@ # # Enumeration of statistics providers. # +# @kvm: since 7.1 +# +# @cryptodev: since 8.0 +# # Since: 7.1 ## { 'enum': 'StatsProvider', - 'data': [ 'kvm' ] } + 'data': [ 'kvm', 'cryptodev' ] } ## # @StatsTarget: @@ -65,10 +69,12 @@ # # @vcpu: statistics that apply to a single virtual CPU. # +# @cryptodev: statistics that apply to a crypto device. since 8.0 +# # Since: 7.1 ## { 'enum': 'StatsTarget', - 'data': [ 'vm', 'vcpu' ] } + 'data': [ 'vm', 'vcpu', 'cryptodev' ] } ## # @StatsRequest: diff --git a/stats/stats-hmp-cmds.c b/stats/stats-hmp-cmds.c index 531e35d128..1f91bf8bd5 100644 --- a/stats/stats-hmp-cmds.c +++ b/stats/stats-hmp-cmds.c @@ -155,6 +155,8 @@ static StatsFilter *stats_filter(StatsTarget target, const char *names, filter->u.vcpu.vcpus = vcpu_list; break; } + case STATS_TARGET_CRYPTODEV: + break; default: break; } @@ -226,6 +228,9 @@ void hmp_info_stats(Monitor *mon, const QDict *qdict) int cpu_index = monitor_get_cpu_index(mon); filter = stats_filter(target, names, cpu_index, provider); break; + case STATS_TARGET_CRYPTODEV: + filter = stats_filter(target, names, -1, provider); + break; default: abort(); } diff --git a/stats/stats-qmp-cmds.c b/stats/stats-qmp-cmds.c index bc973747fb..e214b964fd 100644 --- a/stats/stats-qmp-cmds.c +++ b/stats/stats-qmp-cmds.c @@ -64,6 +64,8 @@ static bool invoke_stats_cb(StatsCallbacks *entry, targets = filter->u.vcpu.vcpus; } break; + case STATS_TARGET_CRYPTODEV: + break; default: abort(); }