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top: make it work again on 2.4 kernels (closes bug 125)
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parent
7e0c243ad5
commit
7886275c98
13
procps/top.c
13
procps/top.c
@ -50,7 +50,9 @@ typedef struct top_status_t {
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} top_status_t;
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typedef struct jiffy_counts_t {
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unsigned long long usr,nic,sys,idle,iowait,irq,softirq,steal;
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/* Linux 2.4.x has only first four */
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unsigned long long usr, nic, sys, idle;
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unsigned long long iowait, irq, softirq, steal;
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unsigned long long total;
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unsigned long long busy;
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} jiffy_counts_t;
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@ -179,15 +181,12 @@ static int mult_lvl_cmp(void* a, void* b)
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return 0;
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}
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/* NOINLINE so that complier doesn't unfold the call
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* causing multiple copies of the arithmatic instrns
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*/
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static NOINLINE int read_cpu_jiffy(FILE *fp, jiffy_counts_t *p_jif)
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{
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#if !ENABLE_FEATURE_TOP_SMP_CPU
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static const char fmt[] = "cpu %lld %lld %lld %lld %lld %lld %lld %lld";
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static const char fmt[] = "cpu %llu %llu %llu %llu %llu %llu %llu %llu";
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#else
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static const char fmt[] = "cp%*s %lld %lld %lld %lld %lld %lld %lld %lld";
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static const char fmt[] = "cp%*s %llu %llu %llu %llu %llu %llu %llu %llu";
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#endif
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int ret;
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@ -197,7 +196,7 @@ static NOINLINE int read_cpu_jiffy(FILE *fp, jiffy_counts_t *p_jif)
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&p_jif->usr, &p_jif->nic, &p_jif->sys, &p_jif->idle,
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&p_jif->iowait, &p_jif->irq, &p_jif->softirq,
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&p_jif->steal);
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if (ret > 4) {
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if (ret >= 4) {
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p_jif->total = p_jif->usr + p_jif->nic + p_jif->sys + p_jif->idle
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+ p_jif->iowait + p_jif->irq + p_jif->softirq + p_jif->steal;
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/* procps 2.x does not count iowait as busy time */
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