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nexedi
tsn-measures
Commits
ad077ce2
Commit
ad077ce2
authored
Aug 21, 2020
by
Joanne Hugé
Browse files
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Plain Diff
Remove JSON formatting for histograms
parent
08bfdac7
Changes
2
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Inline
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Showing
2 changed files
with
32 additions
and
65 deletions
+32
-65
packet-exchange/src/client.c
packet-exchange/src/client.c
+12
-23
packet-exchange/src/server.c
packet-exchange/src/server.c
+20
-42
No files found.
packet-exchange/src/client.c
View file @
ad077ce2
...
...
@@ -129,7 +129,7 @@ static void *packet_sending_thread(void *p) {
clock_gettime
(
CLOCK_MONOTONIC
,
&
measures_start
);
if
(
thread_params
.
start_ts
)
if
(
thread_params
.
start_ts
)
next
=
uint_to_ts
(
thread_params
.
start_ts
);
else
clock_gettime
(
CLOCK_REALTIME
,
&
next
);
...
...
@@ -283,18 +283,15 @@ int main(int argc, char *argv[]) {
usleep
(
main_params
.
refresh_rate
);
if
(
main_params
.
verbose
)
{
// RTT stats printing
if
(
tsn_task
==
RTT_TASK
)
{
// N_CYCLES, RTT min / avg / max
printf
(
"%9"
PRIu64
": RTT: %4d %4d %4d
\n
"
,
nb_cycles
,
rtt_stats
.
min_rtt
,
rtt_stats
.
avg_rtt
,
rtt_stats
.
max_rtt
);
printf
(
"
\033
[%dA"
,
1
);
// Packet send stats printing
// Packet send stats printing
}
else
{
// N_CYCLES, error queue, measured send interval min / avg / max
printf
(
"%9"
PRIu64
": [%4d, %4d], I (10us): %3d %3d %3d"
,
nb_cycles
,
(
int
)
egress_stats
.
invalid_parameter
,
...
...
@@ -356,7 +353,7 @@ static void do_tsn_task(char *data, uint64_t next_txtime) {
}
}
/* Print histogram
s in .json format
/* Print histogram
*/
static
void
print_histograms
()
{
uint64_t
duration
;
...
...
@@ -372,19 +369,6 @@ static void print_histograms() {
interval
=
thread_params
.
interval
/
1000
;
printf
(
"{
\"
measure_sets
\"
: [{"
"
\"
measure_type
\"
:
\"
%s
\"
,"
"
\"
props_names
\"
: [
\"
%s
\"
],"
"
\"
units
\"
: [
\"
us
\"
],"
"
\"
props_type
\"
:
\"
histogram
\"
,"
"
\"
metadata
\"
: {
\"
i
\"
:
\"
%dus
\"
,
\"
duration
\"
:
\"
%dh%d
\"
, "
"
\"
etf_offset
\"
:
\"
%dus
\"
},"
"
\"
props
\"
: [["
,
(
tsn_task
==
SEND_PACKET_TASK
)
?
"packet_send_timestamps"
:
"packet_rtt"
,
(
tsn_task
==
SEND_PACKET_TASK
)
?
"kernel_space"
:
"rtt"
,
interval
,
duration_hour
,
duration_minutes
,
thread_params
.
etf_offset
);
if
(
tsn_task
==
SEND_PACKET_TASK
)
{
histogram
=
kernel_latency_hist
;
max_hist_val
=
histogram_max
(
histogram
,
MAX_KERNEL_LATENCY
-
1
);
...
...
@@ -393,9 +377,15 @@ static void print_histograms() {
max_hist_val
=
histogram_max
(
histogram
,
MAX_RTT
-
1
);
}
for
(
int
j
=
0
;
j
<
max_hist_val
;
j
++
)
printf
(
"%"
PRIi64
"%s"
,
histogram
[
j
],
(
j
+
1
<
max_hist_val
?
", "
:
""
));
printf
(
"]]}]}
\n
"
);
printf
(
"Duration: %dh%d
\n
"
"High kernel latencies: %"
PRIu64
"
\n
"
"Invalid parameters: %"
PRIu64
"
\n
"
"Missed deadlines: %"
PRIu64
"
\n
"
,
duration_hour
,
duration_minutes
,
egress_stats
.
high_kernel_latency
,
egress_stats
.
invalid_parameter
,
egress_stats
.
missed_deadline
);
for
(
int
j
=
0
;
j
<
max_hist_val
;
j
++
)
printf
(
"%"
PRIi64
"
\n
"
,
histogram
[
j
]);
}
static
void
sighand
(
int
sig_num
)
{
...
...
@@ -407,7 +397,6 @@ static void sighand(int sig_num) {
/* Process bash options
*/
static
void
process_options
(
int
argc
,
char
*
argv
[])
{
for
(;;)
{
int
c
=
getopt
(
argc
,
argv
,
"a:bc:d:e:ghi:l:p:q:r:s:tvT"
);
...
...
packet-exchange/src/server.c
View file @
ad077ce2
...
...
@@ -25,10 +25,10 @@
#include <unistd.h>
#include "common.h"
#include "gpio.h"
#include "recv_packet.h"
#include "send_packet.h"
#include "tracer.h"
#include "gpio.h"
// Structs
...
...
@@ -117,13 +117,11 @@ static void *emit_signal_thread(void *p) {
pthread_mutex_lock
(
&
emit_signal_mutex
);
for
(;;)
{
pthread_cond_wait
(
&
emit_signal_ts_received
,
&
emit_signal_mutex
);
clock_nanosleep
(
CLOCK_TAI
,
TIMER_ABSTIME
,
&
emit_signal_next
,
NULL
);
toggle_gpio
(
49
);
printf
(
"Toggled GPIO
\n
"
);
}
pthread_mutex_unlock
(
&
emit_signal_mutex
);
...
...
@@ -144,7 +142,8 @@ static void *tsn_thread(void *p) {
CPU_ZERO
(
&
mask
);
CPU_SET
(
thread_params
.
affinity_cpu
,
&
mask
);
if
(
sched_setaffinity
(
0
,
sizeof
(
mask
),
&
mask
))
error
(
EXIT_FAILURE
,
errno
,
"Could not set CPU affinity to CPU %d
\n
"
,
thread_params
.
affinity_cpu
);
error
(
EXIT_FAILURE
,
errno
,
"Could not set CPU affinity to CPU %d
\n
"
,
thread_params
.
affinity_cpu
);
}
clock_gettime
(
CLOCK_MONOTONIC
,
&
measures_start
);
...
...
@@ -171,7 +170,7 @@ static void *tsn_thread(void *p) {
// Emit signal
if
(
thread_params
.
emit_signal
)
{
uint64_t
emit_signal_t
=
*
((
uint64_t
*
)
ingress_stats
.
data
);
uint64_t
emit_signal_t
=
*
((
uint64_t
*
)
ingress_stats
.
data
);
pthread_mutex_lock
(
&
emit_signal_mutex
);
emit_signal_next
=
uint_to_ts
(
emit_signal_t
);
...
...
@@ -222,8 +221,7 @@ static void *tsn_thread(void *p) {
return
NULL
;
}
static
void
create_thread
(
void
*
(
*
thread_function
)(
void
*
))
{
static
void
create_thread
(
void
*
(
*
thread_function
)(
void
*
))
{
pthread_t
thread
;
pthread_attr_t
attr
;
struct
sched_param
param
;
...
...
@@ -257,7 +255,6 @@ static void create_thread(void * (*thread_function)(void *)) {
// Create the real time thread
if
(
pthread_create
(
&
thread
,
&
attr
,
thread_function
,
NULL
))
error
(
EXIT_FAILURE
,
errno
,
"Couldn't create packet receiving thread"
);
}
/* Main thread:
...
...
@@ -265,7 +262,6 @@ static void create_thread(void * (*thread_function)(void *)) {
* - Handles the IO and creates real time threads
*/
int
main
(
int
argc
,
char
*
argv
[])
{
// Initial values
ingress_stats
.
min_interval
=
INT_MAX
;
ingress_stats
.
avg_interval
=
0
;
...
...
@@ -318,7 +314,7 @@ int main(int argc, char *argv[]) {
if
(
tsn_task
==
RTT_TASK
)
init_udp_send
(
&
egress_params
,
&
egress_stats
,
0
,
0
,
NULL
);
if
(
thread_params
.
emit_signal
)
{
if
(
thread_params
.
emit_signal
)
{
pthread_mutex_init
(
&
emit_signal_mutex
,
NULL
);
pthread_cond_init
(
&
emit_signal_ts_received
,
NULL
);
...
...
@@ -378,47 +374,29 @@ static void print_histograms() {
interval
=
thread_params
.
interval
/
1000
;
if
(
enable_timestamps
)
{
printf
(
"{
\"
measure_sets
\"
: [{"
"
\"
measure_type
\"
:
\"
packet_recv_timestamps
\"
,"
"
\"
props_names
\"
: [
\"
kernel_space
\"
],"
"
\"
units
\"
: [
\"
us
\"
],"
"
\"
props_type
\"
:
\"
histogram
\"
,"
"
\"
metadata
\"
: {
\"
i
\"
:
\"
%dus
\"
,
\"
duration
\"
:
\"
%dh%d
\"
,"
"
\"
lost_packets
\"
:
\"
%d
\"
},"
"
\"
props
\"
: [["
,
interval
,
duration_hour
,
duration_minutes
,
((
int
)
ingress_stats
.
high_jitter
));
max_jitter
=
histogram_max
(
jitter_hist
,
MAX_JITTER
-
1
);
min_jitter
=
histogram_min
(
jitter_hist
,
MAX_JITTER
-
1
);
if
(
enable_timestamps
)
{
max_latency
=
histogram_max
(
kernel_latency_hist
,
MAX_KERNEL_LATENCY
-
1
);
printf
(
"Duration: %dh%d
\n
"
"Lost packets: %"
PRIu64
"
\n
"
,
duration_hour
,
duration_minutes
,
ingress_stats
.
high_jitter
);
for
(
int
j
=
0
;
j
<
max_latency
;
j
++
)
printf
(
"%"
PRIi64
"%s"
,
kernel_latency_hist
[
j
],
(
j
+
1
<
max_latency
?
", "
:
""
));
printf
(
"]]"
);
printf
(
"%"
PRIi64
"
\n
"
,
kernel_latency_hist
[
j
]);
}
max_jitter
=
histogram_max
(
jitter_hist
,
MAX_JITTER
-
1
);
min_jitter
=
histogram_min
(
jitter_hist
,
MAX_JITTER
-
1
);
printf
(
"%s"
,
enable_timestamps
?
"}, {"
:
"{
\"
measure_sets
\"
: [{"
);
printf
(
"
\"
measure_type
\"
:
\"
packet_jitter
\"
,"
"
\"
props_names
\"
: [
\"
jitter
\"
],"
"
\"
units
\"
: [
\"
us
\"
],"
"
\"
props_type
\"
:
\"
histogram
\"
,"
"
\"
middle
\"
:
\"
%d
\"
,"
"
\"
metadata
\"
: {
\"
i
\"
:
\"
%dus
\"
,
\"
duration
\"
:
\"
%dh%d
\"
,"
"
\"
lost_packets
\"
:
\"
%d
\"
},"
"
\"
props
\"
: [["
,
MAX_JITTER
/
2
-
min_jitter
,
interval
,
duration_hour
,
duration_minutes
,
((
int
)
ingress_stats
.
high_jitter
));
"Middle: %d
\n
"
"Lost packets
\"
: %"
PRIu64
"
\n
"
,
MAX_JITTER
/
2
-
min_jitter
,
duration_hour
,
duration_minutes
,
ingress_stats
.
high_jitter
);
for
(
int
j
=
min_jitter
;
j
<
max_jitter
;
j
++
)
printf
(
"%"
PRIi64
"%s"
,
jitter_hist
[
j
],
(
j
+
1
<
max_jitter
?
", "
:
""
));
printf
(
"]]}]}
\n
"
);
printf
(
"%"
PRIi64
"
\n
"
,
jitter_hist
[
j
]);
}
static
void
sighand
(
int
sig_num
)
{
...
...
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