c2739e11d
Denys Vlasenko
2023-01-24
Subject
nmeter: increase maximum /proc file size (needed for large machines)
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procps/nmeter.c+6 -3
| @@ -59,9 +59,9 @@ | |
| typedef unsigned long long ullong; | |
| - | enum { /* Preferably use powers of 2 */ |
| + | enum { |
| PROC_MIN_FILE_SIZE = 256, | |
| - | PROC_MAX_FILE_SIZE = 16 * 1024, |
| + | PROC_MAX_FILE_SIZE = 64 * 1024, /* 16k was a bit too small for a 128-CPU machine */ |
| }; | |
| typedef struct proc_file { | |
| @@ -176,7 +176,10 @@ static void readfile_z(proc_file *pf, const char* fname) | |
| close(fd); | |
| if (rdsz > 0) { | |
| if (rdsz == sz-1 && sz < PROC_MAX_FILE_SIZE) { | |
| - | sz *= 2; |
| + | if (sz < 4 * 1024) |
| + | sz *= 2; |
| + | else |
| + | sz += 4 * 1024; |
| buf = xrealloc(buf, sz); | |
| goto again; | |
| } | |