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c9272937e7
Physical CPU quota was previously given to a thread on construction only by directly specifying a percentage of the quota of the according CPU session. Now, a new thread is given a weighting that can be any value. The physical counter-value of such a weighting depends on the weightings of the other threads at the CPU session. Thus, the physical quota of all threads of a CPU session must be updated when a weighting is added or removed. This is each time the session creates or destroys a thread. This commit also adapts the "cpu_quota" test in base-hw accordingly. Ref #1464
105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/*
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* \brief Client-side CPU session interface
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* \author Norman Feske
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* \date 2012-08-09
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*/
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/*
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* Copyright (C) 2006-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__LINUX_CPU_SESSION__CLIENT_H_
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#define _INCLUDE__LINUX_CPU_SESSION__CLIENT_H_
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#include <linux_cpu_session/linux_cpu_session.h>
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#include <base/rpc_client.h>
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namespace Genode {
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struct Linux_cpu_session_client : Rpc_client<Linux_cpu_session>
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{
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explicit Linux_cpu_session_client(Capability<Linux_cpu_session> session)
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: Rpc_client<Linux_cpu_session>(session) { }
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Thread_capability create_thread(size_t weight, Name const &name, addr_t utcb = 0) {
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return call<Rpc_create_thread>(weight, name, utcb); }
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Ram_dataspace_capability utcb(Thread_capability thread) {
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return call<Rpc_utcb>(thread); }
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void kill_thread(Thread_capability thread) {
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call<Rpc_kill_thread>(thread); }
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int set_pager(Thread_capability thread, Pager_capability pager) {
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return call<Rpc_set_pager>(thread, pager); }
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int start(Thread_capability thread, addr_t ip, addr_t sp) {
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return call<Rpc_start>(thread, ip, sp); }
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void pause(Thread_capability thread) {
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call<Rpc_pause>(thread); }
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void resume(Thread_capability thread) {
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call<Rpc_resume>(thread); }
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void cancel_blocking(Thread_capability thread) {
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call<Rpc_cancel_blocking>(thread); }
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Thread_state state(Thread_capability thread) {
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return call<Rpc_get_state>(thread); }
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void state(Thread_capability thread, Thread_state const &state) {
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call<Rpc_set_state>(thread, state); }
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void exception_handler(Thread_capability thread, Signal_context_capability handler) {
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call<Rpc_exception_handler>(thread, handler); }
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void single_step(Thread_capability thread, bool enable) {
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call<Rpc_single_step>(thread, enable); }
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Affinity::Space affinity_space() const {
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return call<Rpc_affinity_space>(); }
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void affinity(Thread_capability thread, Affinity::Location location) {
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call<Rpc_affinity>(thread, location); }
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Dataspace_capability trace_control() {
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return call<Rpc_trace_control>(); }
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unsigned trace_control_index(Thread_capability thread) {
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return call<Rpc_trace_control_index>(thread); }
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Dataspace_capability trace_buffer(Thread_capability thread) {
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return call<Rpc_trace_buffer>(thread); }
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Dataspace_capability trace_policy(Thread_capability thread) {
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return call<Rpc_trace_policy>(thread); }
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int ref_account(Cpu_session_capability session) {
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return call<Rpc_ref_account>(session); }
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int transfer_quota(Cpu_session_capability session, size_t amount) {
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return call<Rpc_transfer_quota>(session, amount); }
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Quota quota() override { return call<Rpc_quota>(); }
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/*****************************
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* Linux-specific extension **
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*****************************/
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void thread_id(Thread_capability thread, int pid, int tid) {
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call<Rpc_thread_id>(thread, pid, tid); }
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Untyped_capability server_sd(Thread_capability thread) {
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return call<Rpc_server_sd>(thread); }
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Untyped_capability client_sd(Thread_capability thread) {
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return call<Rpc_client_sd>(thread); }
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};
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}
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#endif /* _INCLUDE__LINUX_CPU_SESSION__CLIENT_H_ */
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