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sys_linux: drop dhz variable

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Avoid keeping the system USER_HZ in two variables as an int and a
double. The integer value is not really needed. Replace sys_hz with dhz.
This commit is contained in:
Miroslav Lichvar
2025-11-19 16:50:45 +01:00
parent 8a2a1dab72
commit 73f6657dfd
1 changed files with 6 additions and 7 deletions
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13
sys_linux.c
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@@ -94,8 +94,7 @@ static int current_delta_tick;
static int max_tick_bias; static int max_tick_bias;
/* The kernel USER_HZ constant */ /* The kernel USER_HZ constant */
static int sys_hz; static double sys_hz;
static double dhz; /* And dbl prec version of same for arithmetic */
/* The assumed rate at which the effective frequency and tick values are /* The assumed rate at which the effective frequency and tick values are
updated in the kernel */ updated in the kernel */
@@ -138,8 +137,8 @@ set_frequency(double freq_ppm)
double required_freq; double required_freq;
int required_delta_tick; int required_delta_tick;
required_delta_tick = round(freq_ppm / dhz); required_delta_tick = round(freq_ppm / sys_hz);
required_freq = -(freq_ppm - dhz * required_delta_tick); required_freq = -(freq_ppm - sys_hz * required_delta_tick);
required_tick = nominal_tick - required_delta_tick; required_tick = nominal_tick - required_delta_tick;
txc.modes = ADJ_TICK | ADJ_FREQUENCY; txc.modes = ADJ_TICK | ADJ_FREQUENCY;
@@ -150,7 +149,7 @@ set_frequency(double freq_ppm)
current_delta_tick = required_delta_tick; current_delta_tick = required_delta_tick;
return dhz * current_delta_tick - txc.freq / FREQ_SCALE; return sys_hz * current_delta_tick - txc.freq / FREQ_SCALE;
} }
/* ================================================== */ /* ================================================== */
@@ -167,7 +166,7 @@ read_frequency(void)
current_delta_tick = nominal_tick - txc.tick; current_delta_tick = nominal_tick - txc.tick;
return dhz * current_delta_tick - txc.freq / FREQ_SCALE; return sys_hz * current_delta_tick - txc.freq / FREQ_SCALE;
} }
/* ================================================== */ /* ================================================== */
@@ -271,7 +270,7 @@ get_version_specific_details(void)
hz = guess_hz(); hz = guess_hz();
sys_hz = hz; sys_hz = hz;
dhz = (double) hz;
nominal_tick = (1000000L + (hz/2))/hz; /* Mirror declaration in kernel */ nominal_tick = (1000000L + (hz/2))/hz; /* Mirror declaration in kernel */
max_tick_bias = nominal_tick / 10; max_tick_bias = nominal_tick / 10;