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sensord: fix IRQ affinity (#31384)

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old-commit-hash: 135deb43246ec61eeb9c8bce16a59ee8ea58c1e3
This commit is contained in:
Adeeb Shihadeh
2024-02-08 16:40:43 -08:00
committed by GitHub
parent c564bbaa2d
commit db71508d61
1 changed files with 7 additions and 1 deletions
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system/sensord/sensors_qcom2.cc
+7 -1
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@@ -134,7 +134,13 @@ int sensor_loop(I2CBus *i2c_bus_imu) {
// increase interrupt quality by pinning interrupt and process to core 1
setpriority(PRIO_PROCESS, 0, -18);
util::set_core_affinity({1});
std::system("sudo su -c 'echo 1 > /proc/irq/336/smp_affinity_list'");
// TODO: get the IRQ number from gpiochip
std::string irq_path = "/proc/irq/336/smp_affinity_list";
if (!util::file_exists(irq_path)) {
irq_path = "/proc/irq/335/smp_affinity_list";
}
std::system(util::string_format("sudo su -c 'echo 1 > %s'", irq_path.c_str()).c_str());
// thread for reading events via interrupts
threads.emplace_back(&interrupt_loop, std::ref(sensors_init));