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| author | Denys Vlasenko | 2023-01-24 12:47:32 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2023-01-24 12:47:32 +0100 |
| commit | c2739e11dee92770839ac9b2dbf020459baec7b9 (patch) | |
| tree | e0bffef46052206f0f04d2b7aeee2e826c92b45e | |
| parent | 1040f78176c7dad57aadbbd023e8ac094606ac25 (diff) | |
| download | busybox-c2739e11dee92770839ac9b2dbf020459baec7b9.zip busybox-c2739e11dee92770839ac9b2dbf020459baec7b9.tar.gz | |
nmeter: increase maximum /proc file size (needed for large machines)
function old new delta
get_file 185 201 +16
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | procps/nmeter.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/procps/nmeter.c b/procps/nmeter.c index 68e6f33..e52c868 100644 --- a/procps/nmeter.c +++ b/procps/nmeter.c @@ -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; } |