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Added options for only showing x86_64 or arm64 processes

master
boB Rudis 1 year ago
parent
commit
094b117ee4
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  1. 2
      NEWS.md
  2. 29
      archinfo.c

2
NEWS.md

@ -1,3 +1,5 @@
* 0.4.0 • 2021-05-25
- added options for only showing X86_64 or ARM64 processes
# 0.3.0 • 2021-03-14
- added option for retrieving process info for a single pid
- added more tests

29
archinfo.c

@ -9,10 +9,11 @@
#include <sys/sysctl.h>
#define noErr 0
#define VERSION "0.3.0"
#define VERSION "0.4.0"
#define SYSCTL_ERROR 1
enum fmt { JSON=0, COLUMNS };
enum show { ALL=0, ARM64, X86_64 };
static int maxArgumentSize = 0;
@ -22,7 +23,6 @@ typedef struct ProcInfo {
char arch[10];
} procinfo;
// arch_info() is due to the spelunking work of Patrick Wardle <https://www.patreon.com/posts/45121749>
static char *arch_info(pid_t pid) {
@ -69,7 +69,7 @@ procinfo proc_info(pid_t pid) {
size_t size = maxArgumentSize;
procinfo p;
char* buffer = (char *)malloc(4096);
char* buffer = (char *)calloc(4096, sizeof(char));
if (sysctl((int[]){ CTL_KERN, KERN_PROCARGS2, pid }, 3, buffer, &size, NULL, 0) == 0) {
@ -94,7 +94,7 @@ void output_one(enum fmt output_type, pid_t pid, procinfo p) {
}
}
int enumerate_processes(enum fmt output_type) {
int enumerate_processes(enum fmt output_type, enum show to_show) {
int mib[3] = { CTL_KERN, KERN_PROC, KERN_PROC_ALL };
struct kinfo_proc *info;
@ -121,7 +121,13 @@ int enumerate_processes(enum fmt output_type) {
procinfo p = proc_info(pid);
if (p.ok) {
output_one(output_type, pid, p);
if (
(to_show == ALL) ||
((to_show == ARM64) && !strncmp("arm", p.arch, 3)) ||
((to_show == X86_64) && !strncmp("x86", p.arch, 3))
) {
output_one(output_type, pid, p);
}
free(p.name);
}
@ -141,9 +147,11 @@ void help() {
printf("archinfo outputs a list of running processes with architecture (x86_64/amd64) information\n");
printf("\n");
printf("USAGE:\n");
printf(" archinfo [--columns|--json] [--pid #]\n");
printf(" archinfo [--arm|--x86] [--columns|--json] [--pid #]\n");
printf("\n");
printf("FLAGS/OPTIONS:\n");
printf(" --arm Only show arm64 processes (default is to show both)\n");
printf(" --x86 Only show x86_64 processes (default is to show both)\n");
printf(" --columns Output process list in columns (default)\n");
printf(" --json Output process list in ndjson\n");
printf(" --pid # Output process architecture info for the specified process\n");
@ -166,6 +174,7 @@ void init() {
int main(int argc, char** argv) {
int c;
enum show to_show = ALL;
bool show_help = FALSE;
bool do_one = FALSE;
pid_t pid = -1;
@ -177,6 +186,8 @@ int main(int argc, char** argv) {
int option_index = 0;
static struct option long_options[] = {
{ "arm", no_argument, 0, 'a' },
{ "x86", no_argument, 0, 'x' },
{ "json", no_argument, 0, 'j' },
{ "columns", no_argument, 0, 'c' },
{ "help", no_argument, 0, 'h' },
@ -184,12 +195,14 @@ int main(int argc, char** argv) {
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "jchp:", long_options, &option_index);
c = getopt_long(argc, argv, "axjchp:", long_options, &option_index);
if (c == -1) break;
switch(c) {
case 'a': to_show = ARM64; break;
case 'x': to_show = X86_64; break;
case 'p': do_one = TRUE; pid = atoi(optarg); break;
case 'h': show_help = TRUE; break;
case 'j': output_type = JSON; break;
@ -224,6 +237,6 @@ int main(int argc, char** argv) {
// otherwise do them all
return(enumerate_processes(output_type));
return(enumerate_processes(output_type, to_show));
}

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