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Tsirkin" , Andrew Melnychenko , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH v2 6/7] ebpf: improve trace event coverage to all key operations Date: Thu, 5 Sep 2024 19:13:29 +0100 Message-ID: <20240905181330.3657590-7-berrange@redhat.com> In-Reply-To: <20240905181330.3657590-1-berrange@redhat.com> References: <20240905181330.3657590-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.142, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1725560117818116600 The existing error trace event is renamed to have a name prefix matching its source file & to remove the redundant first arg that adds no useful information. Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- ebpf/ebpf_rss.c | 19 +++++++++++++++++++ ebpf/trace-events | 4 ++++ 2 files changed, 23 insertions(+) diff --git a/ebpf/ebpf_rss.c b/ebpf/ebpf_rss.c index f65a58b0b6..2afff27e78 100644 --- a/ebpf/ebpf_rss.c +++ b/ebpf/ebpf_rss.c @@ -74,6 +74,10 @@ static bool ebpf_rss_mmap(struct EBPFRSSContext *ctx, Er= ror **errp) goto indirection_fail; } =20 + trace_ebpf_rss_mmap(ctx, + ctx->mmap_configuration, + ctx->mmap_toeplitz_key, + ctx->mmap_indirections_table); return true; =20 indirection_fail: @@ -131,6 +135,11 @@ bool ebpf_rss_load(struct EBPFRSSContext *ctx, Error *= *errp) ctx->map_toeplitz_key =3D bpf_map__fd( rss_bpf_ctx->maps.tap_rss_map_toeplitz_key); =20 + trace_ebpf_rss_load(ctx, + ctx->program_fd, + ctx->map_configuration, + ctx->map_indirections_table, + ctx->map_toeplitz_key); if (!ebpf_rss_mmap(ctx, errp)) { goto error; } @@ -178,6 +187,12 @@ bool ebpf_rss_load_fds(struct EBPFRSSContext *ctx, int= program_fd, ctx->map_toeplitz_key =3D toeplitz_fd; ctx->map_indirections_table =3D table_fd; =20 + trace_ebpf_rss_load(ctx, + ctx->program_fd, + ctx->map_configuration, + ctx->map_indirections_table, + ctx->map_toeplitz_key); + if (!ebpf_rss_mmap(ctx, errp)) { ctx->program_fd =3D -1; ctx->map_configuration =3D -1; @@ -259,6 +274,8 @@ bool ebpf_rss_set_all(struct EBPFRSSContext *ctx, struc= t EBPFRSSConfig *config, =20 ebpf_rss_set_toepliz_key(ctx, toeplitz_key); =20 + trace_ebpf_rss_set_data(ctx, config, indirections_table, toeplitz_key); + return true; } =20 @@ -268,6 +285,8 @@ void ebpf_rss_unload(struct EBPFRSSContext *ctx) return; } =20 + trace_ebpf_rss_unload(ctx); + ebpf_rss_munmap(ctx); =20 if (ctx->obj) { diff --git a/ebpf/trace-events b/ebpf/trace-events index a0f157be37..bf3d9b6451 100644 --- a/ebpf/trace-events +++ b/ebpf/trace-events @@ -1,6 +1,10 @@ # See docs/devel/tracing.rst for syntax documentation. =20 # ebpf-rss.c +ebpf_rss_load(void *ctx, int progfd, int cfgfd, int toepfd, int indirfd) "= ctx=3D%p program-fd=3D%d config-fd=3D%d toeplitz-fd=3D%d indirection-fd=3D%= d" ebpf_rss_load_error(void *ctx) "ctx=3D%p" +ebpf_rss_mmap(void *ctx, void *cfgptr, void *toepptr, void *indirptr) "ctx= =3D%p config-ptr=3D%p toeplitz-ptr=3D%p indirection-ptr=3D%p" ebpf_rss_mmap_error(void *ctx, const char *object) "ctx=3D%p object=3D%s" ebpf_rss_open_error(void *ctx) "ctx=3D%p" +ebpf_rss_set_data(void *ctx, void *cfgptr, void *toepptr, void *indirptr) = "ctx=3D%p config-ptr=3D%p toeplitz-ptr=3D%p indirection-ptr=3D%p" +ebpf_rss_unload(void *ctx) "rss unload ctx=3D%p" --=20 2.45.2