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netdata/src/apps_plugin.c at master · rk4github/netdata · GitHub
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#include
"common.h"
#define
MAX_COMPARE_NAME
100
#define
MAX_NAME
100
#define
MAX_CMDLINE
1024
// the rates we are going to send to netdata
// will have this detail
// a value of:
// 1 will send just integer parts to netdata
// 100 will send 2 decimal points
// 1000 will send 3 decimal points
// etc.
#define
RATES_DETAIL
10000ULL
int
debug
=
0
;
int
update_every
=
1
;
unsigned long long
global_iterations_counter
=
1
;
unsigned long long
file_counter
=
0
;
int
proc_pid_cmdline_is_needed
=
0
;
int
include_exited_childs
=
1
;
char
*
config_dir
=
CONFIG_DIR
;
pid_t
*
all_pids_sortlist
=
NULL
;
// will be automatically set to 1, if guest values are collected
int
show_guest_time
=
0
;
int
show_guest_time_old
=
0
;
int
enable_guest_charts
=
0
;
int
enable_file_charts
=
1
;
int
enable_users_charts
=
1
;
int
enable_groups_charts
=
1
;
// ----------------------------------------------------------------------------
void
netdata_cleanup_and_exit
(
int
ret
) {
exit
(
ret
);
}
// ----------------------------------------------------------------------------
// target
// target is the structure that process data are aggregated
struct
target
{
char
compare
[
MAX_COMPARE_NAME
+
1
];
uint32_t
comparehash
;
size_t
comparelen
;
char
id
[
MAX_NAME
+
1
];
uint32_t
idhash
;
char
name
[
MAX_NAME
+
1
];
uid_t
uid
;
gid_t
gid
;
unsigned long long
minflt
;
unsigned long long
cminflt
;
unsigned long long
majflt
;
unsigned long long
cmajflt
;
unsigned long long
utime
;
unsigned long long
stime
;
unsigned long long
gtime
;
unsigned long long
cutime
;
unsigned long long
cstime
;
unsigned long long
cgtime
;
unsigned long long
num_threads
;
// unsigned long long rss;
unsigned long long
statm_size
;
unsigned long long
statm_resident
;
unsigned long long
statm_share
;
// unsigned long long statm_text;
// unsigned long long statm_lib;
// unsigned long long statm_data;
// unsigned long long statm_dirty;
unsigned long long
io_logical_bytes_read
;
unsigned long long
io_logical_bytes_written
;
// unsigned long long io_read_calls;
// unsigned long long io_write_calls;
unsigned long long
io_storage_bytes_read
;
unsigned long long
io_storage_bytes_written
;
// unsigned long long io_cancelled_write_bytes;
int
*
fds
;
unsigned long long
openfiles
;
unsigned long long
openpipes
;
unsigned long long
opensockets
;
unsigned long long
openinotifies
;
unsigned long long
openeventfds
;
unsigned long long
opentimerfds
;
unsigned long long
opensignalfds
;
unsigned long long
openeventpolls
;
unsigned long long
openother
;
unsigned long
processes
;
// how many processes have been merged to this
int
exposed
;
// if set, we have sent this to netdata
int
hidden
;
// if set, we set the hidden flag on the dimension
int
debug
;
int
ends_with
;
int
starts_with
;
// if set, the compare string matches only the
// beginning of the command
struct
target
*
target
;
// the one that will be reported to netdata
struct
target
*
next
;
};
// ----------------------------------------------------------------------------
// apps_groups.conf
// aggregate all processes in groups, to have a limited number of dimensions
struct
target
*
apps_groups_root_target
=
NULL
;
struct
target
*
apps_groups_default_target
=
NULL
;
long
apps_groups_targets
=
0
;
struct
target
*
users_root_target
=
NULL
;
struct
target
*
groups_root_target
=
NULL
;
struct
target
*
get_users_target
(
uid_t
uid
)
{
struct
target
*
w
;
for
(
w
=
users_root_target
;
w
;
w
=
w
->
next
)
if
(
w
->
uid
==
uid
)
return
w
;
w
=
callocz
(
sizeof
(
struct
target
),
1
);
snprintfz
(
w
->
compare
,
MAX_COMPARE_NAME
,
"%u"
,
uid
);
w
->
comparehash
=
simple_hash
(
w
->
compare
);
w
->
comparelen
=
strlen
(
w
->
compare
);
snprintfz
(
w
->
id
,
MAX_NAME
,
"%u"
,
uid
);
w
->
idhash
=
simple_hash
(
w
->
id
);
struct
passwd
*
pw
=
getpwuid
(
uid
);
if
(!
pw
)
snprintfz
(
w
->
name
,
MAX_NAME
,
"%u"
,
uid
);
else
snprintfz
(
w
->
name
,
MAX_NAME
,
"%s"
,
pw
->
pw_name
);
netdata_fix_chart_name
(
w
->
name
);
w
->
uid
=
uid
;
w
->
next
=
users_root_target
;
users_root_target
=
w
;
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: added uid %u ('%s') target\n"
,
w
->
uid
,
w
->
name
);
return
w
;
}
struct
target
*
get_groups_target
(
gid_t
gid
)
{
struct
target
*
w
;
for
(
w
=
groups_root_target
;
w
;
w
=
w
->
next
)
if
(
w
->
gid
==
gid
)
return
w
;
w
=
callocz
(
sizeof
(
struct
target
),
1
);
snprintfz
(
w
->
compare
,
MAX_COMPARE_NAME
,
"%u"
,
gid
);
w
->
comparehash
=
simple_hash
(
w
->
compare
);
w
->
comparelen
=
strlen
(
w
->
compare
);
snprintfz
(
w
->
id
,
MAX_NAME
,
"%u"
,
gid
);
w
->
idhash
=
simple_hash
(
w
->
id
);
struct
group
*
gr
=
getgrgid
(
gid
);
if
(!
gr
)
snprintfz
(
w
->
name
,
MAX_NAME
,
"%u"
,
gid
);
else
snprintfz
(
w
->
name
,
MAX_NAME
,
"%s"
,
gr
->
gr_name
);
netdata_fix_chart_name
(
w
->
name
);
w
->
gid
=
gid
;
w
->
next
=
groups_root_target
;
groups_root_target
=
w
;
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: added gid %u ('%s') target\n"
,
w
->
gid
,
w
->
name
);
return
w
;
}
// find or create a new target
// there are targets that are just aggregated to other target (the second argument)
struct
target
*
get_apps_groups_target
(
const
char
*
id
,
struct
target
*
target
) {
int
tdebug
=
0
,
thidden
=
0
,
ends_with
=
0
;
const
char
*
nid
=
id
;
while
(
nid
[
0
]
==
'-'
||
nid
[
0
]
==
'+'
||
nid
[
0
]
==
'*'
) {
if
(
nid
[
0
]
==
'-'
)
thidden
=
1
;
if
(
nid
[
0
]
==
'+'
)
tdebug
=
1
;
if
(
nid
[
0
]
==
'*'
)
ends_with
=
1
;
nid
++
;
}
uint32_t
hash
=
simple_hash
(
id
);
struct
target
*
w
,
*
last
=
apps_groups_root_target
;
for
(
w
=
apps_groups_root_target
;
w
;
w
=
w
->
next
) {
if
(
w
->
idhash
==
hash
&&
strncmp
(
nid
,
w
->
id
,
MAX_NAME
)
==
0
)
return
w
;
last
=
w
;
}
w
=
callocz
(
sizeof
(
struct
target
),
1
);
strncpyz
(
w
->
id
,
nid
,
MAX_NAME
);
w
->
idhash
=
simple_hash
(
w
->
id
);
strncpyz
(
w
->
name
,
nid
,
MAX_NAME
);
strncpyz
(
w
->
compare
,
nid
,
MAX_COMPARE_NAME
);
size_t
len
=
strlen
(
w
->
compare
);
if
(
w
->
compare
[
len
-
1
]
==
'*'
) {
w
->
compare
[
len
-
1
]
=
'\0'
;
w
->
starts_with
=
1
;
}
w
->
ends_with
=
ends_with
;
if
(
w
->
starts_with
&&
w
->
ends_with
)
proc_pid_cmdline_is_needed
=
1
;
w
->
comparehash
=
simple_hash
(
w
->
compare
);
w
->
comparelen
=
strlen
(
w
->
compare
);
w
->
hidden
=
thidden
;
w
->
debug
=
tdebug
;
w
->
target
=
target
;
// append it, to maintain the order in apps_groups.conf
if
(
last
)
last
->
next
=
w
;
else
apps_groups_root_target
=
w
;
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
,
w
->
id
,
w
->
compare
, (
w
->
starts_with
&&
w
->
ends_with
)?
"substring"
:((
w
->
starts_with
)?
"prefix"
:((
w
->
ends_with
)?
"suffix"
:
"exact"
))
,
w
->
target
?
w
->
target
->
id
:
w
->
id
, (
w
->
hidden
)?
"hidden"
:
"-"
, (
w
->
debug
)?
"debug"
:
"-"
);
return
w
;
}
// read the apps_groups.conf file
int
read_apps_groups_conf
(
const
char
*
name
)
{
char
filename
[
FILENAME_MAX
+
1
];
snprintfz
(
filename
,
FILENAME_MAX
,
"%s/apps_%s.conf"
,
config_dir
,
name
);
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: process groups file: '%s'\n"
,
filename
);
// ----------------------------------------
procfile
*
ff
=
procfile_open
(
filename
,
" :\t"
,
PROCFILE_FLAG_DEFAULT
);
if
(!
ff
)
return
1
;
procfile_set_quotes
(
ff
,
"'\""
);
ff
=
procfile_readall
(
ff
);
if
(!
ff
)
return
1
;
unsigned long
line
,
lines
=
procfile_lines
(
ff
);
for
(
line
=
0
;
line
<
lines
;
line
++
) {
unsigned long
word
,
words
=
procfile_linewords
(
ff
,
line
);
struct
target
*
w
=
NULL
;
char
*
t
=
procfile_lineword
(
ff
,
line
,
0
);
if
(!
t
||
!
*
t
)
continue
;
for
(
word
=
0
;
word
<
words
;
word
++
) {
char
*
s
=
procfile_lineword
(
ff
,
line
,
word
);
if
(!
s
||
!
*
s
)
continue
;
if
(
*
s
==
'#'
)
break
;
if
(
t
==
s
)
continue
;
struct
target
*
n
=
get_apps_groups_target
(
s
,
w
);
if
(!
n
) {
error
(
"Cannot create target '%s' (line %lu, word %lu)"
,
s
,
line
,
word
);
continue
;
}
if
(!
w
)
w
=
n
;
}
if
(
w
) {
int
tdebug
=
0
,
thidden
=
0
;
while
(
t
[
0
]
==
'-'
||
t
[
0
]
==
'+'
) {
if
(
t
[
0
]
==
'-'
)
thidden
=
1
;
if
(
t
[
0
]
==
'+'
)
tdebug
=
1
;
t
++
;
}
strncpyz
(
w
->
name
,
t
,
MAX_NAME
);
w
->
hidden
=
thidden
;
w
->
debug
=
tdebug
;
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: AGGREGATION TARGET NAME '%s' on ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
,
w
->
name
,
w
->
id
,
w
->
compare
, (
w
->
starts_with
&&
w
->
ends_with
)?
"substring"
:((
w
->
starts_with
)?
"prefix"
:((
w
->
ends_with
)?
"suffix"
:
"exact"
))
,
w
->
target
?
w
->
target
->
id
:
w
->
id
, (
w
->
hidden
)?
"hidden"
:
"-"
, (
w
->
debug
)?
"debug"
:
"-"
);
}
}
procfile_close
(
ff
);
apps_groups_default_target
=
get_apps_groups_target
(
"p+!o@w#e$i^r&7*5(-i)l-o_"
,
NULL
);
// match nothing
if
(!
apps_groups_default_target
)
error
(
"Cannot create default target"
);
else
strncpyz
(
apps_groups_default_target
->
name
,
"other"
,
MAX_NAME
);
return
0
;
}
// ----------------------------------------------------------------------------
// data to store for each pid
// see: man proc
#define
PID_LOG_IO
0x00000001
#define
PID_LOG_STATM
0x00000002
#define
PID_LOG_CMDLINE
0x00000004
#define
PID_LOG_FDS
0x00000008
#define
PID_LOG_STAT
0x00000010
struct
pid_stat
{
int32_t
pid
;
char
comm
[
MAX_COMPARE_NAME
+
1
];
char
cmdline
[
MAX_CMDLINE
+
1
];
uint32_t
log_thrown
;
// char state;
int32_t
ppid
;
// int32_t pgrp;
// int32_t session;
// int32_t tty_nr;
// int32_t tpgid;
// uint64_t flags;
// these are raw values collected
unsigned long long
minflt_raw
;
unsigned long long
cminflt_raw
;
unsigned long long
majflt_raw
;
unsigned long long
cmajflt_raw
;
unsigned long long
utime_raw
;
unsigned long long
stime_raw
;
unsigned long long
gtime_raw
;
// guest_time
unsigned long long
cutime_raw
;
unsigned long long
cstime_raw
;
unsigned long long
cgtime_raw
;
// cguest_time
// these are rates
unsigned long long
minflt
;
unsigned long long
cminflt
;
unsigned long long
majflt
;
unsigned long long
cmajflt
;
unsigned long long
utime
;
unsigned long long
stime
;
unsigned long long
gtime
;
unsigned long long
cutime
;
unsigned long long
cstime
;
unsigned long long
cgtime
;
// int64_t priority;
// int64_t nice;
int32_t
num_threads
;
// int64_t itrealvalue;
// unsigned long long starttime;
// unsigned long long vsize;
// unsigned long long rss;
// unsigned long long rsslim;
// unsigned long long starcode;
// unsigned long long endcode;
// unsigned long long startstack;
// unsigned long long kstkesp;
// unsigned long long kstkeip;
// uint64_t signal;
// uint64_t blocked;
// uint64_t sigignore;
// uint64_t sigcatch;
// uint64_t wchan;
// uint64_t nswap;
// uint64_t cnswap;
// int32_t exit_signal;
// int32_t processor;
// uint32_t rt_priority;
// uint32_t policy;
// unsigned long long delayacct_blkio_ticks;
uid_t
uid
;
gid_t
gid
;
unsigned long long
statm_size
;
unsigned long long
statm_resident
;
unsigned long long
statm_share
;
// unsigned long long statm_text;
// unsigned long long statm_lib;
// unsigned long long statm_data;
// unsigned long long statm_dirty;
unsigned long long
io_logical_bytes_read_raw
;
unsigned long long
io_logical_bytes_written_raw
;
// unsigned long long io_read_calls_raw;
// unsigned long long io_write_calls_raw;
unsigned long long
io_storage_bytes_read_raw
;
unsigned long long
io_storage_bytes_written_raw
;
// unsigned long long io_cancelled_write_bytes_raw;
unsigned long long
io_logical_bytes_read
;
unsigned long long
io_logical_bytes_written
;
// unsigned long long io_read_calls;
// unsigned long long io_write_calls;
unsigned long long
io_storage_bytes_read
;
unsigned long long
io_storage_bytes_written
;
// unsigned long long io_cancelled_write_bytes;
int
*
fds
;
// array of fds it uses
int
fds_size
;
// the size of the fds array
int
children_count
;
// number of processes directly referencing this
int
keep
;
// 1 when we need to keep this process in memory even after it exited
int
keeploops
;
// increases by 1 every time keep is 1 and updated 0
int
updated
;
// 1 when the process is currently running
int
merged
;
// 1 when it has been merged to its parent
int
new_entry
;
// 1 when this is a new process, just saw for the first time
int
read
;
// 1 when we have already read this process for this iteration
int
sortlist
;
// higher numbers = top on the process tree
// each process gets a unique number
struct
target
*
target
;
// app_groups.conf targets
struct
target
*
user_target
;
// uid based targets
struct
target
*
group_target
;
// gid based targets
unsigned long long
stat_collected_usec
;
unsigned long long
last_stat_collected_usec
;
unsigned long long
io_collected_usec
;
unsigned long long
last_io_collected_usec
;
char
*
stat_filename
;
char
*
statm_filename
;
char
*
io_filename
;
char
*
cmdline_filename
;
struct
pid_stat
*
parent
;
struct
pid_stat
*
prev
;
struct
pid_stat
*
next
;
}
*
root_of_pids
=
NULL
,
*
*
all_pids
;
long
all_pids_count
=
0
;
struct
pid_stat
*
get_pid_entry
(
pid_t
pid
) {
if
(
all_pids
[
pid
]) {
all_pids
[
pid
]
->
new_entry
=
0
;
return
all_pids
[
pid
];
}
all_pids
[
pid
]
=
callocz
(
sizeof
(
struct
pid_stat
),
1
);
all_pids
[
pid
]
->
fds
=
callocz
(
sizeof
(
int
),
100
);
all_pids
[
pid
]
->
fds_size
=
100
;
if
(
root_of_pids
)
root_of_pids
->
prev
=
all_pids
[
pid
];
all_pids
[
pid
]
->
next
=
root_of_pids
;
root_of_pids
=
all_pids
[
pid
];
all_pids
[
pid
]
->
pid
=
pid
;
all_pids
[
pid
]
->
new_entry
=
1
;
all_pids_count
++
;
return
all_pids
[
pid
];
}
void
del_pid_entry
(
pid_t
pid
) {
if
(!
all_pids
[
pid
]) {
error
(
"attempted to free pid %d that is not allocated."
,
pid
);
return
;
}
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: process %d %s exited, deleting it.\n"
,
pid
,
all_pids
[
pid
]
->
comm
);
if
(
root_of_pids
==
all_pids
[
pid
])
root_of_pids
=
all_pids
[
pid
]
->
next
;
if
(
all_pids
[
pid
]
->
next
)
all_pids
[
pid
]
->
next
->
prev
=
all_pids
[
pid
]
->
prev
;
if
(
all_pids
[
pid
]
->
prev
)
all_pids
[
pid
]
->
prev
->
next
=
all_pids
[
pid
]
->
next
;
if
(
all_pids
[
pid
]
->
fds
)
freez
(
all_pids
[
pid
]
->
fds
);
if
(
all_pids
[
pid
]
->
stat_filename
)
freez
(
all_pids
[
pid
]
->
stat_filename
);
if
(
all_pids
[
pid
]
->
statm_filename
)
freez
(
all_pids
[
pid
]
->
statm_filename
);
if
(
all_pids
[
pid
]
->
io_filename
)
freez
(
all_pids
[
pid
]
->
io_filename
);
if
(
all_pids
[
pid
]
->
cmdline_filename
)
freez
(
all_pids
[
pid
]
->
cmdline_filename
);
freez
(
all_pids
[
pid
]);
all_pids
[
pid
]
=
NULL
;
all_pids_count
--
;
}
// ----------------------------------------------------------------------------
// update pids from proc
int
read_proc_pid_cmdline
(
struct
pid_stat
*
p
) {
if
(
unlikely
(!
p
->
cmdline_filename
)) {
char
filename
[
FILENAME_MAX
+
1
];
snprintfz
(
filename
,
FILENAME_MAX
,
"%s/proc/%d/cmdline"
,
global_host_prefix
,
p
->
pid
);
p
->
cmdline_filename
=
strdupz
(
filename
);
}
int
fd
=
open
(
p
->
cmdline_filename
,
O_RDONLY
,
0666
);
if
(
unlikely
(
fd
==
-1
)) goto
cleanup
;
ssize_t
i
,
bytes
=
read
(
fd
,
p
->
cmdline
,
MAX_CMDLINE
);
close
(
fd
);
if
(
unlikely
(
bytes
<
0
)) goto
cleanup
;
p
->
cmdline
[
bytes
]
=
'\0'
;
for
(
i
=
0
;
i
<
bytes
;
i
++
)
if
(
unlikely
(!
p
->
cmdline
[
i
]))
p
->
cmdline
[
i
]
=
' '
;
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"Read file '%s' contents: %s\n"
,
p
->
cmdline_filename
,
p
->
cmdline
);
return
1
;
cleanup
:
// copy the command to the command line
strncpyz
(
p
->
cmdline
,
p
->
comm
,
MAX_CMDLINE
);
return
0
;
}
int
read_proc_pid_ownership
(
struct
pid_stat
*
p
) {
if
(
unlikely
(!
p
->
stat_filename
)) {
error
(
"pid %d does not have a stat_filename"
,
p
->
pid
);
return
0
;
}
// ----------------------------------------
// read uid and gid
struct
stat
st
;
if
(
stat
(
p
->
stat_filename
,
&
st
)
!=
0
) {
error
(
"Cannot stat file '%s'"
,
p
->
stat_filename
);
return
1
;
}
p
->
uid
=
st
.
st_uid
;
p
->
gid
=
st
.
st_gid
;
return
1
;
}
int
read_proc_pid_stat
(
struct
pid_stat
*
p
) {
static
procfile
*
ff
=
NULL
;
if
(
unlikely
(!
p
->
stat_filename
)) {
char
filename
[
FILENAME_MAX
+
1
];
snprintfz
(
filename
,
FILENAME_MAX
,
"%s/proc/%d/stat"
,
global_host_prefix
,
p
->
pid
);
p
->
stat_filename
=
strdupz
(
filename
);
}
int
set_quotes
=
(!
ff
)?
1
:
0
;
ff
=
procfile_reopen
(
ff
,
p
->
stat_filename
,
NULL
,
PROCFILE_FLAG_NO_ERROR_ON_FILE_IO
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
// if(set_quotes) procfile_set_quotes(ff, "()");
if
(
set_quotes
)
procfile_set_open_close
(
ff
,
"("
,
")"
);
ff
=
procfile_readall
(
ff
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
p
->
last_stat_collected_usec
=
p
->
stat_collected_usec
;
p
->
stat_collected_usec
=
time_usec
();
file_counter
++
;
// p->pid = atol(procfile_lineword(ff, 0, 0+i));
strncpyz
(
p
->
comm
,
procfile_lineword
(
ff
,
0
,
1
),
MAX_COMPARE_NAME
);
// p->state = *(procfile_lineword(ff, 0, 2));
p
->
ppid
=
(
int32_t
)
atol
(
procfile_lineword
(
ff
,
0
,
3
));
// p->pgrp = atol(procfile_lineword(ff, 0, 4));
// p->session = atol(procfile_lineword(ff, 0, 5));
// p->tty_nr = atol(procfile_lineword(ff, 0, 6));
// p->tpgid = atol(procfile_lineword(ff, 0, 7));
// p->flags = strtoull(procfile_lineword(ff, 0, 8), NULL, 10);
unsigned long long
last
;
last
=
p
->
minflt_raw
;
p
->
minflt_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
9
),
NULL
,
10
);
p
->
minflt
=
(
p
->
minflt_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
cminflt_raw
;
p
->
cminflt_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
10
),
NULL
,
10
);
p
->
cminflt
=
(
p
->
cminflt_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
majflt_raw
;
p
->
majflt_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
11
),
NULL
,
10
);
p
->
majflt
=
(
p
->
majflt_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
cmajflt_raw
;
p
->
cmajflt_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
12
),
NULL
,
10
);
p
->
cmajflt
=
(
p
->
cmajflt_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
utime_raw
;
p
->
utime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
13
),
NULL
,
10
);
p
->
utime
=
(
p
->
utime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
stime_raw
;
p
->
stime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
14
),
NULL
,
10
);
p
->
stime
=
(
p
->
stime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
cutime_raw
;
p
->
cutime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
15
),
NULL
,
10
);
p
->
cutime
=
(
p
->
cutime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
cstime_raw
;
p
->
cstime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
16
),
NULL
,
10
);
p
->
cstime
=
(
p
->
cstime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
// p->priority = strtoull(procfile_lineword(ff, 0, 17), NULL, 10);
// p->nice = strtoull(procfile_lineword(ff, 0, 18), NULL, 10);
p
->
num_threads
=
(
int32_t
)
atol
(
procfile_lineword
(
ff
,
0
,
19
));
// p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20), NULL, 10);
// p->starttime = strtoull(procfile_lineword(ff, 0, 21), NULL, 10);
// p->vsize = strtoull(procfile_lineword(ff, 0, 22), NULL, 10);
// p->rss = strtoull(procfile_lineword(ff, 0, 23), NULL, 10);
// p->rsslim = strtoull(procfile_lineword(ff, 0, 24), NULL, 10);
// p->starcode = strtoull(procfile_lineword(ff, 0, 25), NULL, 10);
// p->endcode = strtoull(procfile_lineword(ff, 0, 26), NULL, 10);
// p->startstack = strtoull(procfile_lineword(ff, 0, 27), NULL, 10);
// p->kstkesp = strtoull(procfile_lineword(ff, 0, 28), NULL, 10);
// p->kstkeip = strtoull(procfile_lineword(ff, 0, 29), NULL, 10);
// p->signal = strtoull(procfile_lineword(ff, 0, 30), NULL, 10);
// p->blocked = strtoull(procfile_lineword(ff, 0, 31), NULL, 10);
// p->sigignore = strtoull(procfile_lineword(ff, 0, 32), NULL, 10);
// p->sigcatch = strtoull(procfile_lineword(ff, 0, 33), NULL, 10);
// p->wchan = strtoull(procfile_lineword(ff, 0, 34), NULL, 10);
// p->nswap = strtoull(procfile_lineword(ff, 0, 35), NULL, 10);
// p->cnswap = strtoull(procfile_lineword(ff, 0, 36), NULL, 10);
// p->exit_signal = atol(procfile_lineword(ff, 0, 37));
// p->processor = atol(procfile_lineword(ff, 0, 38));
// p->rt_priority = strtoul(procfile_lineword(ff, 0, 39), NULL, 10);
// p->policy = strtoul(procfile_lineword(ff, 0, 40), NULL, 10);
// p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41), NULL, 10);
if
(
enable_guest_charts
) {
last
=
p
->
gtime_raw
;
p
->
gtime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
42
),
NULL
,
10
);
p
->
gtime
=
(
p
->
gtime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
last
=
p
->
cgtime_raw
;
p
->
cgtime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
43
),
NULL
,
10
);
p
->
cgtime
=
(
p
->
cgtime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
);
if
(
show_guest_time
||
p
->
gtime
||
p
->
cgtime
) {
p
->
utime
-=
(
p
->
utime
>=
p
->
gtime
) ?
p
->
gtime
:
p
->
utime
;
p
->
cutime
-=
(
p
->
cutime
>=
p
->
cgtime
) ?
p
->
cgtime
:
p
->
cutime
;
show_guest_time
=
1
;
}
}
if
(
unlikely
(
debug
||
(
p
->
target
&&
p
->
target
->
debug
)))
fprintf
(
stderr
,
"apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' on target '%s' (dt=%llu) VALUES: utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n"
,
global_host_prefix
,
p
->
pid
,
p
->
comm
, (
p
->
target
)?
p
->
target
->
name
:
"UNSET"
,
p
->
stat_collected_usec
-
p
->
last_stat_collected_usec
,
p
->
utime
,
p
->
stime
,
p
->
cutime
,
p
->
cstime
,
p
->
minflt
,
p
->
majflt
,
p
->
cminflt
,
p
->
cmajflt
,
p
->
num_threads
);
if
(
unlikely
(
global_iterations_counter
==
1
)) {
p
->
minflt
=
0
;
p
->
cminflt
=
0
;
p
->
majflt
=
0
;
p
->
cmajflt
=
0
;
p
->
utime
=
0
;
p
->
stime
=
0
;
p
->
gtime
=
0
;
p
->
cutime
=
0
;
p
->
cstime
=
0
;
p
->
cgtime
=
0
;
}
return
1
;
cleanup
:
p
->
minflt
=
0
;
p
->
cminflt
=
0
;
p
->
majflt
=
0
;
p
->
cmajflt
=
0
;
p
->
utime
=
0
;
p
->
stime
=
0
;
p
->
gtime
=
0
;
p
->
cutime
=
0
;
p
->
cstime
=
0
;
p
->
cgtime
=
0
;
p
->
num_threads
=
0
;
// p->rss = 0;
return
0
;
}
int
read_proc_pid_statm
(
struct
pid_stat
*
p
) {
static
procfile
*
ff
=
NULL
;
if
(
unlikely
(!
p
->
statm_filename
)) {
char
filename
[
FILENAME_MAX
+
1
];
snprintfz
(
filename
,
FILENAME_MAX
,
"%s/proc/%d/statm"
,
global_host_prefix
,
p
->
pid
);
p
->
statm_filename
=
strdupz
(
filename
);
}
ff
=
procfile_reopen
(
ff
,
p
->
statm_filename
,
NULL
,
PROCFILE_FLAG_NO_ERROR_ON_FILE_IO
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
ff
=
procfile_readall
(
ff
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
file_counter
++
;
p
->
statm_size
=
strtoull
(
procfile_lineword
(
ff
,
0
,
0
),
NULL
,
10
);
p
->
statm_resident
=
strtoull
(
procfile_lineword
(
ff
,
0
,
1
),
NULL
,
10
);
p
->
statm_share
=
strtoull
(
procfile_lineword
(
ff
,
0
,
2
),
NULL
,
10
);
// p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
// p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
// p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
// p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10);
return
1
;
cleanup
:
p
->
statm_size
=
0
;
p
->
statm_resident
=
0
;
p
->
statm_share
=
0
;
// p->statm_text = 0;
// p->statm_lib = 0;
// p->statm_data = 0;
// p->statm_dirty = 0;
return
0
;
}
int
read_proc_pid_io
(
struct
pid_stat
*
p
) {
static
procfile
*
ff
=
NULL
;
if
(
unlikely
(!
p
->
io_filename
)) {
char
filename
[
FILENAME_MAX
+
1
];
snprintfz
(
filename
,
FILENAME_MAX
,
"%s/proc/%d/io"
,
global_host_prefix
,
p
->
pid
);
p
->
io_filename
=
strdupz
(
filename
);
}
// open the file
ff
=
procfile_reopen
(
ff
,
p
->
io_filename
,
NULL
,
PROCFILE_FLAG_NO_ERROR_ON_FILE_IO
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
ff
=
procfile_readall
(
ff
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
file_counter
++
;
p
->
last_io_collected_usec
=
p
->
io_collected_usec
;
p
->
io_collected_usec
=
time_usec
();
unsigned long long
last
;
last
=
p
->
io_logical_bytes_read_raw
;
p
->
io_logical_bytes_read_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
1
),
NULL
,
10
);
p
->
io_logical_bytes_read
=
(
p
->
io_logical_bytes_read_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
io_collected_usec
-
p
->
last_io_collected_usec
);
last
=
p
->
io_logical_bytes_written_raw
;
p
->
io_logical_bytes_written_raw
=
strtoull
(
procfile_lineword
(
ff
,
1
,
1
),
NULL
,
10
);
p
->
io_logical_bytes_written
=
(
p
->
io_logical_bytes_written_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
io_collected_usec
-
p
->
last_io_collected_usec
);
// last = p->io_read_calls_raw;
// p->io_read_calls_raw = strtoull(procfile_lineword(ff, 2, 1), NULL, 10);
// p->io_read_calls = (p->io_read_calls_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
// last = p->io_write_calls_raw;
// p->io_write_calls_raw = strtoull(procfile_lineword(ff, 3, 1), NULL, 10);
// p->io_write_calls = (p->io_write_calls_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
last
=
p
->
io_storage_bytes_read_raw
;
p
->
io_storage_bytes_read_raw
=
strtoull
(
procfile_lineword
(
ff
,
4
,
1
),
NULL
,
10
);
p
->
io_storage_bytes_read
=
(
p
->
io_storage_bytes_read_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
io_collected_usec
-
p
->
last_io_collected_usec
);
last
=
p
->
io_storage_bytes_written_raw
;
p
->
io_storage_bytes_written_raw
=
strtoull
(
procfile_lineword
(
ff
,
5
,
1
),
NULL
,
10
);
p
->
io_storage_bytes_written
=
(
p
->
io_storage_bytes_written_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
p
->
io_collected_usec
-
p
->
last_io_collected_usec
);
// last = p->io_cancelled_write_bytes_raw;
// p->io_cancelled_write_bytes_raw = strtoull(procfile_lineword(ff, 6, 1), NULL, 10);
// p->io_cancelled_write_bytes = (p->io_cancelled_write_bytes_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
if
(
unlikely
(
global_iterations_counter
==
1
)) {
p
->
io_logical_bytes_read
=
0
;
p
->
io_logical_bytes_written
=
0
;
// p->io_read_calls = 0;
// p->io_write_calls = 0;
p
->
io_storage_bytes_read
=
0
;
p
->
io_storage_bytes_written
=
0
;
// p->io_cancelled_write_bytes = 0;
}
return
1
;
cleanup
:
p
->
io_logical_bytes_read
=
0
;
p
->
io_logical_bytes_written
=
0
;
// p->io_read_calls = 0;
// p->io_write_calls = 0;
p
->
io_storage_bytes_read
=
0
;
p
->
io_storage_bytes_written
=
0
;
// p->io_cancelled_write_bytes = 0;
return
0
;
}
unsigned long long
global_utime
=
0
;
unsigned long long
global_stime
=
0
;
unsigned long long
global_gtime
=
0
;
int
read_proc_stat
() {
static
char
filename
[
FILENAME_MAX
+
1
]
=
""
;
static
procfile
*
ff
=
NULL
;
static
unsigned long long
utime_raw
=
0
,
stime_raw
=
0
,
gtime_raw
=
0
,
gntime_raw
=
0
,
ntime_raw
=
0
,
collected_usec
=
0
,
last_collected_usec
=
0
;
if
(
unlikely
(!
ff
)) {
snprintfz
(
filename
,
FILENAME_MAX
,
"%s/proc/stat"
,
global_host_prefix
);
ff
=
procfile_open
(
filename
,
" \t:"
,
PROCFILE_FLAG_DEFAULT
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
}
ff
=
procfile_readall
(
ff
);
if
(
unlikely
(!
ff
)) goto
cleanup
;
last_collected_usec
=
collected_usec
;
collected_usec
=
time_usec
();
file_counter
++
;
unsigned long long
last
;
last
=
utime_raw
;
utime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
1
),
NULL
,
10
);
global_utime
=
(
utime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
collected_usec
-
last_collected_usec
);
// nice time, on user time
last
=
ntime_raw
;
ntime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
2
),
NULL
,
10
);
global_utime
+=
(
ntime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
collected_usec
-
last_collected_usec
);
last
=
stime_raw
;
stime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
3
),
NULL
,
10
);
global_stime
=
(
stime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
collected_usec
-
last_collected_usec
);
last
=
gtime_raw
;
gtime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
10
),
NULL
,
10
);
global_gtime
=
(
gtime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
collected_usec
-
last_collected_usec
);
if
(
enable_guest_charts
) {
// guest nice time, on guest time
last
=
gntime_raw
;
gntime_raw
=
strtoull
(
procfile_lineword
(
ff
,
0
,
11
),
NULL
,
10
);
global_gtime
+=
(
gntime_raw
-
last
)
*
(
1000000ULL
*
RATES_DETAIL
) / (
collected_usec
-
last_collected_usec
);
// remove guest time from user time
global_utime
-=
(
global_utime
>
global_gtime
) ?
global_gtime
:
global_utime
;
}
if
(
unlikely
(
global_iterations_counter
==
1
)) {
global_utime
=
0
;
global_stime
=
0
;
global_gtime
=
0
;
}
return
1
;
cleanup
:
global_utime
=
0
;
global_stime
=
0
;
global_gtime
=
0
;
return
0
;
}
// ----------------------------------------------------------------------------
// file descriptor
// this is used to keep a global list of all open files of the system
// it is needed in order to calculate the unique files processes have open
#define
FILE_DESCRIPTORS_INCREASE_STEP
100
struct
file_descriptor
{
avl
avl
;
#ifdef
NETDATA_INTERNAL_CHECKS
uint32_t
magic
;
#endif
/* NETDATA_INTERNAL_CHECKS */
uint32_t
hash
;
const
char
*
name
;
int
type
;
int
count
;
int
pos
;
}
*
all_files
=
NULL
;
int
all_files_len
=
0
;
int
all_files_size
=
0
;
int
file_descriptor_compare
(
void
*
a
,
void
*
b
) {
#ifdef
NETDATA_INTERNAL_CHECKS
if
(((
struct
file_descriptor
*
)
a
)
->
magic
!=
0x0BADCAFE
||
((
struct
file_descriptor
*
)
b
)
->
magic
!=
0x0BADCAFE
)
error
(
"Corrupted index data detected. Please report this."
);
#endif
/* NETDATA_INTERNAL_CHECKS */
if
(((
struct
file_descriptor
*
)
a
)
->
hash
<
((
struct
file_descriptor
*
)
b
)
->
hash
)
return
-1
;
else
if
(((
struct
file_descriptor
*
)
a
)
->
hash
>
((
struct
file_descriptor
*
)
b
)
->
hash
)
return
1
;
else
return
strcmp
(((
struct
file_descriptor
*
)
a
)
->
name
, ((
struct
file_descriptor
*
)
b
)
->
name
);
}
int
file_descriptor_iterator
(
avl
*
a
) {
if
(
a
) {};
return
0
; }
avl_tree
all_files_index
=
{
NULL
,
file_descriptor_compare
};
static
struct
file_descriptor
*
file_descriptor_find
(
const
char
*
name
,
uint32_t
hash
) {
struct
file_descriptor
tmp
;
tmp
.
hash
=
(
hash
)?
hash
:
simple_hash
(
name
);
tmp
.
name
=
name
;
tmp
.
count
=
0
;
tmp
.
pos
=
0
;
#ifdef
NETDATA_INTERNAL_CHECKS
tmp
.
magic
=
0x0BADCAFE
;
#endif
/* NETDATA_INTERNAL_CHECKS */
return
(
struct
file_descriptor
*
)
avl_search
(
&
all_files_index
, (
avl
*
)
&
tmp
);
}
#define
file_descriptor_add
(
fd
) avl_insert(&all_files_index, (avl *)(fd))
#define
file_descriptor_remove
(
fd
) avl_remove(&all_files_index, (avl *)(fd))
#define
FILETYPE_OTHER
0
#define
FILETYPE_FILE
1
#define
FILETYPE_PIPE
2
#define
FILETYPE_SOCKET
3
#define
FILETYPE_INOTIFY
4
#define
FILETYPE_EVENTFD
5
#define
FILETYPE_EVENTPOLL
6
#define
FILETYPE_TIMERFD
7
#define
FILETYPE_SIGNALFD
8
void
file_descriptor_not_used
(
int
id
)
{
if
(
id
>
0
&&
id
<
all_files_size
) {
#ifdef
NETDATA_INTERNAL_CHECKS
if
(
all_files
[
id
].
magic
!=
0x0BADCAFE
) {
error
(
"Ignoring request to remove empty file id %d."
,
id
);
return
;
}
#endif
/* NETDATA_INTERNAL_CHECKS */
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: decreasing slot %d (count = %d).\n"
,
id
,
all_files
[
id
].
count
);
if
(
all_files
[
id
].
count
>
0
) {
all_files
[
id
].
count
--
;
if
(!
all_files
[
id
].
count
) {
if
(
unlikely
(
debug
))
fprintf
(
stderr
,
"apps.plugin: >> slot %d is empty.\n"
,
id
);
file_descriptor_remove
(
&
all_files
[
id
]);
#ifdef
NETDATA_INTERNAL_CHECKS
all_files
[
id
].
magic
=
0x00000000
;
#endif
/* NETDATA_INTERNAL_CHECKS */
all_files_len
--
;
}
}
else
error
(
"Request to decrease counter of fd %d (%s), while the use counter is 0"
,
id
,
all_files
[
id
].
name
);
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