Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 109 insertions, 0 deletions

diff --git a/src/spdk/module/bdev/ocf/stats.c b/src/spdk/module/bdev/ocf/stats.c
new file mode 100644
index 000000000..164da7d2e
--- /dev/null
+++ b/src/spdk/module/bdev/ocf/stats.c
@@ -0,0 +1,109 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ctx.h"
+#include "stats.h"
+
+int
+vbdev_ocf_stats_get(ocf_cache_t cache, char *core_name, struct vbdev_ocf_stats *stats)
+{
+	int status;
+	ocf_core_t core;
+
+	status = ocf_core_get_by_name(cache, core_name, strlen(core_name), &core);
+	if (status) {
+		return status;
+	}
+
+	return ocf_stats_collect_core(core, &stats->usage, &stats->reqs, &stats->blocks, &stats->errors);
+}
+
+#define WJSON_STAT(w, stats, group, field, units) \
+	spdk_json_write_named_object_begin(w, #field); \
+	spdk_json_write_named_uint64(w, "count", stats->group.field.value); \
+	spdk_json_write_named_string_fmt(w, "percentage", "%lu.%lu", \
+		stats->group.field.fraction / 100, stats->group.field.fraction % 100); \
+	spdk_json_write_named_string(w, "units", units); \
+	spdk_json_write_object_end(w);
+
+void
+vbdev_ocf_stats_write_json(struct spdk_json_write_ctx *w, struct vbdev_ocf_stats *stats)
+{
+	spdk_json_write_object_begin(w);
+
+	spdk_json_write_named_object_begin(w, "usage");
+	WJSON_STAT(w, stats, usage, occupancy, "4KiB blocks");
+	WJSON_STAT(w, stats, usage, free, "4KiB blocks");
+	WJSON_STAT(w, stats, usage, clean, "4KiB blocks");
+	WJSON_STAT(w, stats, usage, dirty, "4KiB blocks");
+	spdk_json_write_object_end(w);
+
+	spdk_json_write_named_object_begin(w, "requests");
+	WJSON_STAT(w, stats, reqs, rd_hits, "Requests");
+	WJSON_STAT(w, stats, reqs, rd_partial_misses, "Requests");
+	WJSON_STAT(w, stats, reqs, rd_full_misses, "Requests");
+	WJSON_STAT(w, stats, reqs, rd_total, "Requests");
+	WJSON_STAT(w, stats, reqs, wr_hits, "Requests");
+	WJSON_STAT(w, stats, reqs, wr_partial_misses, "Requests");
+	WJSON_STAT(w, stats, reqs, wr_full_misses, "Requests");
+	WJSON_STAT(w, stats, reqs, wr_total, "Requests");
+	WJSON_STAT(w, stats, reqs, rd_pt, "Requests");
+	WJSON_STAT(w, stats, reqs, wr_pt, "Requests");
+	WJSON_STAT(w, stats, reqs, serviced, "Requests");
+	WJSON_STAT(w, stats, reqs, total, "Requests");
+	spdk_json_write_object_end(w);
+
+	spdk_json_write_named_object_begin(w, "blocks");
+	WJSON_STAT(w, stats, blocks, core_volume_rd, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, core_volume_wr, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, core_volume_total, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, cache_volume_rd, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, cache_volume_wr, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, cache_volume_total, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, volume_rd, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, volume_wr, "4KiB blocks");
+	WJSON_STAT(w, stats, blocks, volume_total, "4KiB blocks");
+	spdk_json_write_object_end(w);
+
+	spdk_json_write_named_object_begin(w, "errors");
+	WJSON_STAT(w, stats, errors, core_volume_rd, "Requests");
+	WJSON_STAT(w, stats, errors, core_volume_wr, "Requests");
+	WJSON_STAT(w, stats, errors, core_volume_total, "Requests");
+	WJSON_STAT(w, stats, errors, cache_volume_rd, "Requests");
+	WJSON_STAT(w, stats, errors, cache_volume_wr, "Requests");
+	WJSON_STAT(w, stats, errors, cache_volume_total, "Requests");
+	WJSON_STAT(w, stats, errors, total, "Requests");
+	spdk_json_write_object_end(w);
+
+	spdk_json_write_object_end(w);
+}