1 files changed, 0 insertions, 201 deletions
diff --git a/src/plugins/perfmon/dispatch_wrapper.c b/src/plugins/perfmon/dispatch_wrapper.c
deleted file mode 100644
index f5972f667a2..00000000000
--- a/src/plugins/perfmon/dispatch_wrapper.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * Copyright (c) 2020 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "vppinfra/string.h"
-#include <vnet/vnet.h>
-
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vnet/plugin/plugin.h>
-#include <vpp/app/version.h>
-#include <linux/limits.h>
-#include <sys/ioctl.h>
-
-#include <perfmon/perfmon.h>
-
-static_always_inline u64
-perfmon_mmap_read_pmc1 (const struct perf_event_mmap_page *mmap_page)
-{
-  u64 count;
-  u32 seq;
-
-  /* See documentation in /usr/include/linux/perf_event.h, for more details
-   * but the 2 main important things are:
-   *  1) if seq != mmap_page->lock, it means the kernel is currently updating
-   *     the user page and we need to read it again
-   *  2) if idx == 0, it means the perf event is currently turned off and we
-   *     just need to read the kernel-updated 'offset', otherwise we must also
-   *     add the current hw value (hence rdmpc) */
-  do
-    {
-      u32 idx;
-
-      seq = mmap_page->lock;
-      CLIB_COMPILER_BARRIER ();
-
-      idx = mmap_page->index;
-      count = mmap_page->offset;
-      if (idx)
-	count += _rdpmc (idx - 1);
-
-      CLIB_COMPILER_BARRIER ();
-    }
-  while (mmap_page->lock != seq);
-
-  return count;
-}
-
-static_always_inline void
-perfmon_mmap_read_pmcs (u64 *counters,
-			struct perf_event_mmap_page **mmap_pages,
-			u8 n_counters)
-{
-  switch (n_counters)
-    {
-    default:
-    case 7:
-      counters[6] = perfmon_mmap_read_pmc1 (mmap_pages[6]);
-    case 6:
-      counters[5] = perfmon_mmap_read_pmc1 (mmap_pages[5]);
-    case 5:
-      counters[4] = perfmon_mmap_read_pmc1 (mmap_pages[4]);
-    case 4:
-      counters[3] = perfmon_mmap_read_pmc1 (mmap_pages[3]);
-    case 3:
-      counters[2] = perfmon_mmap_read_pmc1 (mmap_pages[2]);
-    case 2:
-      counters[1] = perfmon_mmap_read_pmc1 (mmap_pages[1]);
-    case 1:
-      counters[0] = perfmon_mmap_read_pmc1 (mmap_pages[0]);
-      break;
-    }
-}
-
-uword
-perfmon_dispatch_wrapper_mmap (vlib_main_t *vm, vlib_node_runtime_t *node,
-			       vlib_frame_t *frame)
-{
-  perfmon_main_t *pm = &perfmon_main;
-  perfmon_thread_runtime_t *rt =
-    vec_elt_at_index (pm->thread_runtimes, vm->thread_index);
-  perfmon_node_stats_t *s =
-    vec_elt_at_index (rt->node_stats, node->node_index);
-
-  u8 n_events = rt->n_events;
-
-  u64 before[PERF_MAX_EVENTS];
-  u64 after[PERF_MAX_EVENTS];
-  uword rv;
-
-  clib_prefetch_load (s);
-
-  perfmon_mmap_read_pmcs (&before[0], rt->mmap_pages, n_events);
-  rv = node->function (vm, node, frame);
-  perfmon_mmap_read_pmcs (&after[0], rt->mmap_pages, n_events);
-
-  if (rv == 0)
-    return rv;
-
-  s->n_calls += 1;
-  s->n_packets += rv;
-
-  for (int i = 0; i < n_events; i++)
-    s->value[i] += after[i] - before[i];
-
-  return rv;
-}
-
-static_always_inline void
-perfmon_metric_read_pmcs (u64 *counters, int *pmc_index, u8 n_counters)
-{
-  switch (n_counters)
-    {
-    default:
-    case 7:
-      counters[6] = _rdpmc (pmc_index[6]);
-    case 6:
-      counters[5] = _rdpmc (pmc_index[5]);
-    case 5:
-      counters[4] = _rdpmc (pmc_index[4]);
-    case 4:
-      counters[3] = _rdpmc (pmc_index[3]);
-    case 3:
-      counters[2] = _rdpmc (pmc_index[2]);
-    case 2:
-      counters[1] = _rdpmc (pmc_index[1]);
-    case 1:
-      counters[0] = _rdpmc (pmc_index[0]);
-      break;
-    }
-}
-
-static_always_inline int
-perfmon_metric_index (perfmon_bundle_t *b, u8 i)
-{
-  return (int) (b->metrics[i]);
-}
-
-uword
-perfmon_dispatch_wrapper_metrics (vlib_main_t *vm, vlib_node_runtime_t *node,
-				  vlib_frame_t *frame)
-{
-  perfmon_main_t *pm = &perfmon_main;
-  perfmon_thread_runtime_t *rt =
-    vec_elt_at_index (pm->thread_runtimes, vm->thread_index);
-  perfmon_node_stats_t *s =
-    vec_elt_at_index (rt->node_stats, node->node_index);
-
-  u8 n_events = rt->n_events;
-
-  u64 before[PERF_MAX_EVENTS];
-  int pmc_index[PERF_MAX_EVENTS];
-  uword rv;
-
-  clib_prefetch_load (s);
-
-  switch (n_events)
-    {
-    default:
-    case 7:
-      pmc_index[6] = perfmon_metric_index (rt->bundle, 6);
-    case 6:
-      pmc_index[5] = perfmon_metric_index (rt->bundle, 5);
-    case 5:
-      pmc_index[4] = perfmon_metric_index (rt->bundle, 4);
-    case 4:
-      pmc_index[3] = perfmon_metric_index (rt->bundle, 3);
-    case 3:
-      pmc_index[2] = perfmon_metric_index (rt->bundle, 2);
-    case 2:
-      pmc_index[1] = perfmon_metric_index (rt->bundle, 1);
-    case 1:
-      pmc_index[0] = perfmon_metric_index (rt->bundle, 0);
-      break;
-    }
-
-  perfmon_metric_read_pmcs (&before[0], pmc_index, n_events);
-  rv = node->function (vm, node, frame);
-
-  clib_memcpy_fast (&s->t[0].value[0], &before, sizeof (before));
-  perfmon_metric_read_pmcs (&s->t[1].value[0], pmc_index, n_events);
-
-  if (rv == 0)
-    return rv;
-
-  s->n_calls += 1;
-  s->n_packets += rv;
-
-  return rv;
-}