From: Neta Ostrovsky Date: Sun, 25 Apr 2021 11:53:21 +0000 (+0300) Subject: rdma: Add context resource tracking information X-Git-Tag: v5.14.0~60^2~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42789412856ec04129af2ddaebe31ba5f9fecea4;p=thirdparty%2Fiproute2.git rdma: Add context resource tracking information Sample output: $ rdma res show ctx dev ibp8s0f0 ctxn 0 pid 980 comm ibv_rc_pingpong dev ibp8s0f0 ctxn 1 pid 981 comm ibv_rc_pingpong dev ibp8s0f0 ctxn 2 pid 992 comm ibv_rc_pingpong dev ibp8s0f1 ctxn 0 pid 984 comm ibv_rc_pingpong dev ibp8s0f1 ctxn 1 pid 987 comm ibv_rc_pingpong $ rdma res show ctx dev ibp8s0f1 dev ibp8s0f1 ctxn 0 pid 984 comm ibv_rc_pingpong dev ibp8s0f1 ctxn 1 pid 987 comm ibv_rc_pingpong Reviewed-by: Mark Zhang Reviewed-by: Ido Kalir Signed-off-by: Neta Ostrovsky Signed-off-by: Leon Romanovsky Signed-off-by: David Ahern --- diff --git a/man/man8/rdma-resource.8 b/man/man8/rdma-resource.8 index 8d0d14c6d..c2102853e 100644 --- a/man/man8/rdma-resource.8 +++ b/man/man8/rdma-resource.8 @@ -13,7 +13,7 @@ rdma-resource \- rdma resource configuration .ti -8 .IR RESOURCE " := { " -.BR cm_id " | " cq " | " mr " | " pd " | " qp " }" +.BR cm_id " | " cq " | " mr " | " pd " | " qp " | " ctx " }" .sp .ti -8 @@ -103,6 +103,11 @@ rdma resource show cq pid 30489 Show CQs belonging to pid 30489 .RE .PP +rdma resource show ctx ctxn 1 +.RS 4 +Show contexts that have index equal to 1. +.RE +.PP .SH SEE ALSO .BR rdma (8), diff --git a/rdma/Makefile b/rdma/Makefile index aa5ce8220..32f504fcd 100644 --- a/rdma/Makefile +++ b/rdma/Makefile @@ -7,7 +7,7 @@ ifeq ($(HAVE_MNL),y) CFLAGS += -I./include/uapi/ RDMA_OBJ = rdma.o utils.o dev.o link.o res.o res-pd.o res-mr.o res-cq.o \ - res-cmid.o res-qp.o sys.o stat.o stat-mr.o + res-cmid.o res-qp.o sys.o stat.o stat-mr.o res-ctx.o TARGETS += rdma endif diff --git a/rdma/res-ctx.c b/rdma/res-ctx.c new file mode 100644 index 000000000..30afe97ac --- /dev/null +++ b/rdma/res-ctx.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* + * res-ctx.c RDMA tool + * Authors: Neta Ostrovsky + */ + +#include "res.h" +#include + +static int res_ctx_line(struct rd *rd, const char *name, int idx, + struct nlattr **nla_line) +{ + char *comm = NULL; + uint32_t ctxn = 0; + uint32_t pid = 0; + + if (!nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) + return MNL_CB_ERROR; + + if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) { + pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]); + comm = get_task_name(pid); + } + + if (rd_is_filtered_attr(rd, "pid", pid, + nla_line[RDMA_NLDEV_ATTR_RES_PID])) + goto out; + + if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) + ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]); + + if (rd_is_filtered_attr(rd, "ctxn", ctxn, + nla_line[RDMA_NLDEV_ATTR_RES_CTXN])) + goto out; + + if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) + /* discard const from mnl_attr_get_str */ + comm = (char *)mnl_attr_get_str( + nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]); + + open_json_object(NULL); + print_dev(rd, idx, name); + res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]); + res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]); + print_comm(rd, comm, nla_line); + + print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]); + newline(rd); + +out: + if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) + free(comm); + return MNL_CB_OK; +} + +int res_ctx_idx_parse_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; + struct rd *rd = data; + const char *name; + uint32_t idx; + + mnl_attr_parse(nlh, 0, rd_attr_cb, tb); + if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME]) + return MNL_CB_ERROR; + + name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); + idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); + + return res_ctx_line(rd, name, idx, tb); +} + +int res_ctx_parse_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; + struct nlattr *nla_table, *nla_entry; + struct rd *rd = data; + int ret = MNL_CB_OK; + const char *name; + uint32_t idx; + + mnl_attr_parse(nlh, 0, rd_attr_cb, tb); + if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] || + !tb[RDMA_NLDEV_ATTR_RES_CTX]) + return MNL_CB_ERROR; + + name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); + idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); + nla_table = tb[RDMA_NLDEV_ATTR_RES_CTX]; + + mnl_attr_for_each_nested(nla_entry, nla_table) { + struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {}; + + ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line); + if (ret != MNL_CB_OK) + break; + + ret = res_ctx_line(rd, name, idx, nla_line); + if (ret != MNL_CB_OK) + break; + } + return ret; +} diff --git a/rdma/res.c b/rdma/res.c index f42ae938f..dbc3179ee 100644 --- a/rdma/res.c +++ b/rdma/res.c @@ -11,7 +11,7 @@ static int res_help(struct rd *rd) { pr_out("Usage: %s resource\n", rd->filename); pr_out(" resource show [DEV]\n"); - pr_out(" resource show [qp|cm_id|pd|mr|cq]\n"); + pr_out(" resource show [qp|cm_id|pd|mr|cq|ctx]\n"); pr_out(" resource show qp link [DEV/PORT]\n"); pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n"); pr_out(" resource show cm_id link [DEV/PORT]\n"); @@ -22,6 +22,8 @@ static int res_help(struct rd *rd) pr_out(" resource show pd dev [DEV] [FILTER-NAME FILTER-VALUE]\n"); pr_out(" resource show mr dev [DEV]\n"); pr_out(" resource show mr dev [DEV] [FILTER-NAME FILTER-VALUE]\n"); + pr_out(" resource show ctx dev [DEV]\n"); + pr_out(" resource show ctx dev [DEV] [FILTER-NAME FILTER-VALUE]\n"); return 0; } @@ -224,6 +226,7 @@ static int res_show(struct rd *rd) { "cq", res_cq }, { "mr", res_mr }, { "pd", res_pd }, + { "ctx", res_ctx }, { 0 } }; diff --git a/rdma/res.h b/rdma/res.h index e8bd02e4b..a8093d154 100644 --- a/rdma/res.h +++ b/rdma/res.h @@ -22,6 +22,8 @@ int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data); int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data); int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data); int res_qp_idx_parse_cb(const struct nlmsghdr *nlh, void *data); +int res_ctx_parse_cb(const struct nlmsghdr *nlh, void *data); +int res_ctx_idx_parse_cb(const struct nlmsghdr *nlh, void *data); static inline uint32_t res_get_command(uint32_t command, struct rd *rd) { @@ -155,6 +157,16 @@ filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = { RES_FUNC(res_qp, RDMA_NLDEV_CMD_RES_QP_GET, qp_valid_filters, false, RDMA_NLDEV_ATTR_RES_LQPN); +static const +struct filters ctx_valid_filters[MAX_NUMBER_OF_FILTERS] = { + { .name = "dev", .is_number = false }, + { .name = "pid", .is_number = true }, + { .name = "ctxn", .is_number = true, .is_doit = true }, +}; + +RES_FUNC(res_ctx, RDMA_NLDEV_CMD_RES_CTX_GET, ctx_valid_filters, true, + RDMA_NLDEV_ATTR_RES_CTXN); + void print_dev(struct rd *rd, uint32_t idx, const char *name); void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port, struct nlattr **nla_line); diff --git a/rdma/utils.c b/rdma/utils.c index 292e1808b..e2c9bb6f2 100644 --- a/rdma/utils.c +++ b/rdma/utils.c @@ -435,6 +435,9 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_RES_LKEY] = MNL_TYPE_U32, [RDMA_NLDEV_ATTR_RES_IOVA] = MNL_TYPE_U64, [RDMA_NLDEV_ATTR_RES_MRLEN] = MNL_TYPE_U64, + [RDMA_NLDEV_ATTR_RES_CTX] = MNL_TYPE_NESTED, + [RDMA_NLDEV_ATTR_RES_CTX_ENTRY] = MNL_TYPE_NESTED, + [RDMA_NLDEV_ATTR_RES_CTXN] = MNL_TYPE_U32, [RDMA_NLDEV_ATTR_NDEV_INDEX] = MNL_TYPE_U32, [RDMA_NLDEV_ATTR_NDEV_NAME] = MNL_TYPE_NUL_STRING, [RDMA_NLDEV_ATTR_DRIVER] = MNL_TYPE_NESTED,