1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
#include "MESA_prof_load.h"
#include "cJSON.h"
#include "common.h"
#include "sc_trace.h"
#include <math.h>
#include <stdio.h>
#include <string.h>
struct dp_trace_config
{
uint16_t enable;
};
int __dp_trace_path_handler(const struct rte_mp_msg * msg, const void * peer);
static void dp_trace_telemetry_unregister(struct app_main * app_main, struct app * app, void * arg);
void load_dp_trace_config(struct sc_main * sc, struct dp_trace_config * dp_trace_config)
{
unsigned int enable = 1;
MESA_load_profile_uint_nodef(sc->local_dyfile, "dp_trace_rule", "enable", &enable);
dp_trace_config->enable = enable;
}
void dp_trace_config_apply(struct sc_main * sc)
{
if (sc->trace == NULL)
return;
struct dp_trace_config dp_trace_config = {};
MR_INFO("Loading data path trace configuration file...");
load_dp_trace_config(sc, &dp_trace_config);
if (sc->trace->inst->enable != dp_trace_config.enable)
{
MR_INFO("Modify trace status from %u to %u", sc->trace->inst->enable, dp_trace_config.enable);
sc->trace->inst->enable = dp_trace_config.enable;
}
MR_INFO("Loading data path trace configuration file is completed.");
}
void dp_trace_config_update(struct sc_main * sc)
{
dp_trace_config_apply(sc);
}
int mr_dp_trace_init(struct sc_main * sc)
{
struct dp_trace_process * trace = dp_trace_process_create(DP_TRACE_PROCESS_MARSIO);
if (trace == NULL)
abort();
sc->trace = trace;
dp_trace_config_apply(sc);
rte_mp_action_register(DP_TRACE_MP_MSG_NAME, __dp_trace_path_handler);
app_event_handler_register(sc->app_main, APP_EV_TYPE_UNREGISTER, dp_trace_telemetry_unregister, NULL);
return 0;
}
int __dp_trace_path_handler(const struct rte_mp_msg * msg, const void * peer)
{
struct dp_trace_instance * inst = sc_main_get()->trace->inst;
struct dp_trace_job_ctx * job_ctx = inst->job_ctx;
int ret = 0;
struct rte_mp_msg resp = {};
snprintf(resp.name, sizeof(resp.name), "%s", DP_TRACE_MP_MSG_NAME);
struct dp_trace_resp * dp_trace_resp = (struct dp_trace_resp *)resp.param;
resp.len_param = sizeof(struct dp_trace_resp);
struct dp_trace_req * dp_trace_req = (struct dp_trace_req *)msg->param;
if (dp_trace_req->action == DP_TRACE_INSTANCE_GET)
{
dp_trace_resp->errcode = DP_TRACE_SUCCESS;
dp_trace_resp->trace_instance = inst;
goto send_resp;
}
if (dp_trace_req->action == DP_TRACE_JOB_ID_USED_GET)
{
job_bitmap_t jobs_id_uesd = 0;
for (unsigned int i = 0; i < DP_TRACE_JOB_NUM_MAX; i++)
{
if (job_ctx[i].used == true)
{
jobs_id_uesd |= job_ctx[i].job_id;
}
}
dp_trace_resp->jobs_id_used_get = jobs_id_uesd;
dp_trace_resp->errcode = DP_TRACE_SUCCESS;
goto send_resp;
}
if (dp_trace_req->action == DP_TRACE_JOB_ADD)
{
dp_trace_resp->errcode = dp_trace_job_add(sc_main_get()->trace, dp_trace_req->desc);
if (dp_trace_resp->errcode == DP_TRACE_SUCCESS)
{
unsigned int rule_index = dp_trace_req->desc->rule_index;
dp_trace_resp->job_id_add = job_ctx[rule_index].job_id;
struct app * app_object = app_lookup_by_symbol(sc_main_get(), (const char *)dp_trace_req->appsym);
assert(app_object != NULL);
app_object->job_id_used = 1;
}
goto send_resp;
}
if (dp_trace_req->action == DP_TRACE_JOB_DESTROY)
{
job_bitmap_t jobs_id = dp_trace_req->jobs_id_destroy;
jobs_id = jobs_id & 0xffff;
dp_trace_jobs_destroy(sc_main_get()->trace, jobs_id);
dp_trace_resp->errcode = DP_TRACE_SUCCESS;
}
send_resp:
ret = rte_mp_reply(&resp, peer);
if (ret < 0)
{
MR_WARNING("Failed to execute rte_mp_reply:%s", rte_strerror(rte_errno));
return -1;
}
return 0;
}
static void dp_trace_telemetry_unregister(struct app_main * app_main, struct app * app, void * arg)
{
if (app->job_id_used == 0)
{
return;
}
struct dp_trace_process * dp_trace_process = sc_main_get()->trace;
dp_trace_jobs_destroy(dp_trace_process, DP_TRACE_ALL_JOBS);
}
cJSON * dp_trace_monit_loop(struct sc_main * sc)
{
cJSON * json_root = cJSON_CreateObject();
struct dp_trace_process * trace = sc->trace;
struct dp_trace_stat monit_statistics = {};
uint64_t filter_exec_hit = 0;
for (unsigned int i = 0; i < RTE_MAX_LCORE; i++)
{
struct dp_trace_stat * statistics_i = &trace->statistics[i];
for (unsigned int j = 0; j < DP_TRACE_JOB_NUM_MAX; j++)
{
filter_exec_hit += statistics_i->filter_exec_hit[j];
}
monit_statistics.filter_exec_miss += statistics_i->filter_exec_miss;
monit_statistics.reach_pkt_cnt_limit += statistics_i->reach_pkt_cnt_limit;
monit_statistics.record_buf_alloc_failed_no_mem += statistics_i->record_buf_alloc_failed_no_mem;
monit_statistics.record_buf_alloc_success += statistics_i->record_buf_alloc_success;
monit_statistics.ring_enqueue_failed += statistics_i->ring_enqueue_failed;
monit_statistics.ring_enqueue_success += statistics_i->ring_enqueue_success;
monit_statistics.record_emit_failed_trace_oversize += statistics_i->record_emit_failed_trace_oversize;
monit_statistics.record_emit_failed_no_space_in_buf += statistics_i->record_emit_failed_no_space_in_buf;
monit_statistics.record_emit_success += statistics_i->record_emit_success;
}
cJSON_AddBoolToObject(json_root, "trace_enable", trace->inst->enable);
cJSON_AddNumberToObject(json_root, "filter_exec_hit", filter_exec_hit);
cJSON_AddNumberToObject(json_root, "filter_exec_miss", monit_statistics.filter_exec_miss);
cJSON_AddNumberToObject(json_root, "reach_pkt_cnt_limit", monit_statistics.reach_pkt_cnt_limit);
cJSON_AddNumberToObject(json_root, "record_buf_alloc_failed_no_mem",
monit_statistics.record_buf_alloc_failed_no_mem);
cJSON_AddNumberToObject(json_root, "record_buf_alloc_success", monit_statistics.record_buf_alloc_success);
cJSON_AddNumberToObject(json_root, "ring_enqueue_failed", monit_statistics.ring_enqueue_failed);
cJSON_AddNumberToObject(json_root, "ring_enqueue_success", monit_statistics.ring_enqueue_success);
cJSON_AddNumberToObject(json_root, "record_emit_failed_trace_oversize",
monit_statistics.record_emit_failed_trace_oversize);
cJSON_AddNumberToObject(json_root, "record_emit_failed_no_space_in_buf",
monit_statistics.record_emit_failed_no_space_in_buf);
cJSON_AddNumberToObject(json_root, "record_emit_success", monit_statistics.record_emit_success);
return json_root;
}
void hook_rte_pktmbuf_free(struct rte_mbuf * m)
{
if (m == NULL)
return;
struct dp_trace_process * trace = sc_main_get()->trace;
if (unlikely(dp_trace_record_can_emit(m, DP_TRACE_MEASUREMENT_TYPE_TELEMETRY)))
{
struct dp_trace_record_meta meta = {
.measurement_type = DP_TRACE_MEASUREMENT_TYPE_TELEMETRY, .appsym = MR_TRACE_APPSYM, .module = ""};
dp_trace_record_emit_str(sc_main_get()->trace, m, rte_lcore_id(), &meta, "packet dropped");
}
if (unlikely(dp_trace_record_can_emit(m, DP_TRACE_MEASUREMENT_TYPE_TRACE)))
{
struct dp_trace_record_meta meta = {
.measurement_type = DP_TRACE_MEASUREMENT_TYPE_TRACE, .appsym = MR_TRACE_APPSYM, .module = ""};
dp_trace_record_emit_str(sc_main_get()->trace, m, rte_lcore_id(), &meta, "packet dropped");
}
struct mrb_metadata * mrb_meta = rte_mbuf_to_priv(m);
mrb_meta->egress_action = MR_EGRESS_ACTION_DROP;
dp_trace_record_write(trace, m, rte_lcore_id());
rte_pktmbuf_free(m);
}
void hook_rte_pktmbuf_free_bulk(struct rte_mbuf ** mbufs, unsigned int count)
{
struct dp_trace_process * trace = sc_main_get()->trace;
for (unsigned int idx = 0; idx < count; idx++)
{
struct rte_mbuf * mbuf = mbufs[idx];
if (mbuf == NULL)
continue;
if (unlikely(dp_trace_record_can_emit(mbuf, DP_TRACE_MEASUREMENT_TYPE_TELEMETRY)))
{
struct dp_trace_record_meta meta = {
.measurement_type = DP_TRACE_MEASUREMENT_TYPE_TELEMETRY, .appsym = MR_TRACE_APPSYM, .module = ""};
dp_trace_record_emit_str(sc_main_get()->trace, mbuf, rte_lcore_id(), &meta, "packet dropped");
}
if (unlikely(dp_trace_record_can_emit(mbuf, DP_TRACE_MEASUREMENT_TYPE_TRACE)))
{
struct dp_trace_record_meta meta = {
.measurement_type = DP_TRACE_MEASUREMENT_TYPE_TRACE, .appsym = MR_TRACE_APPSYM, .module = ""};
dp_trace_record_emit_str(sc_main_get()->trace, mbuf, rte_lcore_id(), &meta, "packet dropped");
}
struct mrb_metadata * mrb_meta = rte_mbuf_to_priv(mbuf);
mrb_meta->egress_action = MR_EGRESS_ACTION_DROP;
dp_trace_record_write(trace, mbuf, rte_lcore_id());
}
rte_pktmbuf_free_bulk(mbufs, count);
}
|
