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top: make the 'cpu_tics' function a tad more efficient

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This patch eliminates one variable which resulted in a
corresponding elimination of three 'mov' instructions.

[ that was 6 bytes per 'mov' for a total of 18 bytes ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2020-07-08 00:00:00 -05:00 committed by Craig Small
parent 9232625f0f
commit 246c5fa812
1 changed files with 2 additions and 4 deletions
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6
top/top.c
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@ -5768,7 +5768,6 @@ static int cpu_tics (CPU_t *cpu, const char *pfx, int nobuf) {
// user syst nice idle wait hirg sirq steal
SIC_t u_frme, s_frme, n_frme, i_frme, w_frme, x_frme, y_frme, z_frme, tot_frme, tz;
float scale;
int n;
u_frme = TRIMz(cpu->cur.u - cpu->sav.u);
s_frme = TRIMz(cpu->cur.s - cpu->sav.s);
@ -5810,16 +5809,15 @@ static int cpu_tics (CPU_t *cpu, const char *pfx, int nobuf) {
snprintf(syst, sizeof(syst), gtab[ix].syst, (int)((pct_syst * Graph_adj) + .4), gtab[ix].type);
#endif
snprintf(dual, sizeof(dual), "%s%s", user, syst);
n = cpu_prt(fmtmk("%s ~3%#5.1f~2/%-#5.1f~3 %3.0f[~1%-*s]~1"
return cpu_prt(fmtmk("%s ~3%#5.1f~2/%-#5.1f~3 %3.0f[~1%-*s]~1"
, pfx, pct_user, pct_syst, pct_user + pct_syst, Graph_len +4, dual), nobuf);
} else {
n = cpu_prt(fmtmk(Cpu_States_fmts, pfx
return cpu_prt(fmtmk(Cpu_States_fmts, pfx
, (float)u_frme * scale, (float)s_frme * scale
, (float)n_frme * scale, (float)i_frme * scale
, (float)w_frme * scale, (float)x_frme * scale
, (float)y_frme * scale, (float)z_frme * scale), nobuf);
}
return n;
#undef TRIMz
} // end: cpu_tics