208 lines
7.1 KiB
C++
208 lines
7.1 KiB
C++
#include "session_view.hpp"
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#include "print.hpp"
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#include <algorithm> // for std::max
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session_view::session_view()
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: m_position(0)
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, m_print_utp_stats(false)
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{
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using libtorrent::find_metric_idx;
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m_width = 128;
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std::vector<lt::stats_metric> metrics = lt::session_stats_metrics();
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m_cnt[0].resize(metrics.size(), 0);
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m_cnt[1].resize(metrics.size(), 0);
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m_queued_bytes_idx = find_metric_idx("disk.queued_write_bytes");
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m_wasted_bytes_idx = find_metric_idx("net.recv_redundant_bytes");
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m_failed_bytes_idx = find_metric_idx("net.recv_failed_bytes");
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m_num_peers_idx = find_metric_idx("peer.num_peers_connected");
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m_recv_payload_idx = find_metric_idx("net.recv_payload_bytes");
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m_sent_payload_idx = find_metric_idx("net.sent_payload_bytes");
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m_unchoked_idx = find_metric_idx("peer.num_peers_up_unchoked");
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m_unchoke_slots_idx = find_metric_idx("ses.num_unchoke_slots");
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m_limiter_up_queue_idx = find_metric_idx("net.limiter_up_queue");
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m_limiter_down_queue_idx = find_metric_idx("net.limiter_down_queue");
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m_queued_writes_idx = find_metric_idx("disk.num_write_jobs");
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m_queued_reads_idx = find_metric_idx("disk.num_read_jobs");
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m_writes_cache_idx = find_metric_idx("disk.write_cache_blocks");
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m_reads_cache_idx = find_metric_idx("disk.read_cache_blocks");
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m_pinned_idx = find_metric_idx("disk.pinned_blocks");
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m_num_blocks_read_idx = find_metric_idx("disk.num_blocks_read");
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m_cache_hit_idx = find_metric_idx("disk.num_blocks_cache_hits");
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m_blocks_in_use_idx = find_metric_idx("disk.disk_blocks_in_use");
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m_blocks_written_idx = find_metric_idx("disk.num_blocks_written");
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m_write_ops_idx = find_metric_idx("disk.num_write_ops");
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m_mfu_size_idx = find_metric_idx("disk.arc_mfu_size");
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m_mfu_ghost_idx = find_metric_idx("disk.arc_mfu_ghost_size");
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m_mru_size_idx = find_metric_idx("disk.arc_mru_size");
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m_mru_ghost_idx = find_metric_idx("disk.arc_mru_ghost_size");
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m_utp_idle = find_metric_idx("utp.num_utp_idle");
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m_utp_syn_sent = find_metric_idx("utp.num_utp_syn_sent");
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m_utp_connected = find_metric_idx("utp.num_utp_connected");
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m_utp_fin_sent = find_metric_idx("utp.num_utp_fin_sent");
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m_utp_close_wait = find_metric_idx("utp.num_utp_close_wait");
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}
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void session_view::set_pos(int pos)
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{
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m_position = pos;
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}
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int session_view::pos() const { return m_position; }
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int session_view::height() const
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{
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return 3 + m_print_utp_stats;
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}
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void session_view::render()
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{
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char str[1024];
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int pos = 0;
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int y = m_position;
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float seconds = (m_timestamp[0] - m_timestamp[1]) / 1000000.f;
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int download_rate = int((m_cnt[0][m_recv_payload_idx] - m_cnt[1][m_recv_payload_idx])
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/ seconds);
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int upload_rate = int((m_cnt[0][m_sent_payload_idx] - m_cnt[1][m_sent_payload_idx])
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/ seconds);
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pos += std::snprintf(str, sizeof(str), "%s%s fail: %s down: %s (%s) "
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" bw queue: %s | %s conns: %3d unchoked: %2d / %2d "
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" %s\x1b[K"
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, esc("48;5;238")
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, esc("1")
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, add_suffix(m_cnt[0][m_failed_bytes_idx]).c_str()
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, color(add_suffix(download_rate, "/s"), col_green).c_str()
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, color(add_suffix(m_cnt[0][m_recv_payload_idx]), col_green).c_str()
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, color(to_string(int(m_cnt[0][m_limiter_up_queue_idx]), 3), col_red).c_str()
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, color(to_string(int(m_cnt[0][m_limiter_down_queue_idx]), 3), col_green).c_str()
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, int(m_cnt[0][m_num_peers_idx])
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, int(m_cnt[0][m_unchoked_idx])
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, int(m_cnt[0][m_unchoke_slots_idx])
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, esc("0"));
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set_cursor_pos(0, y++);
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print(str);
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std::snprintf(str, sizeof(str), "%s%swaste: %s up: %s (%s) "
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"disk queue: %s | %s cache w: %3d%% r: %3d%% "
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"size: w: %s r: %s total: %s %s\x1b[K"
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#ifdef _WIN32
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, esc("40")
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#else
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, esc("48;5;238")
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#endif
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, esc("1")
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, add_suffix(m_cnt[0][m_wasted_bytes_idx]).c_str()
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, color(add_suffix(upload_rate, "/s"), col_red).c_str()
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, color(add_suffix(m_cnt[0][m_sent_payload_idx]), col_red).c_str()
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, color(to_string(int(m_cnt[0][m_queued_reads_idx]), 3), col_red).c_str()
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, color(to_string(int(m_cnt[0][m_queued_writes_idx]), 3), col_green).c_str()
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, int((m_cnt[0][m_blocks_written_idx] - m_cnt[0][m_write_ops_idx]) * 100
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/ (std::max)(std::uint64_t(1), m_cnt[0][m_blocks_written_idx]))
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, int(m_cnt[0][m_cache_hit_idx] * 100
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/ (std::max)(std::uint64_t(1), m_cnt[0][m_num_blocks_read_idx]))
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, add_suffix(m_cnt[0][m_writes_cache_idx] * 16 * 1024).c_str()
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, add_suffix(m_cnt[0][m_reads_cache_idx] * 16 * 1024).c_str()
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, add_suffix(m_cnt[0][m_blocks_in_use_idx] * 16 * 1024).c_str()
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, esc("0"));
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set_cursor_pos(0, y++);
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print(str);
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/*
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std::snprintf(str, sizeof(str), "| timing - "
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" read: %6d ms | write: %6d ms | hash: %6d"
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, cs.average_read_time / 1000, cs.average_write_time / 1000
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, cs.average_hash_time / 1000);
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set_cursor_pos(0, y++);
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print(str);
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std::snprintf(str, sizeof(str), "| jobs - queued: %4d (%4d) pending: %4d blocked: %4d "
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"queued-bytes: %5" PRId64 " kB"
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, cs.queued_jobs, cs.peak_queued, cs.pending_jobs, cs.blocked_jobs
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, m_cnt[0][m_queued_bytes_idx] / 1000);
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set_cursor_pos(0, y++);
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print(str);
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std::snprintf(str, sizeof(str), "| cache - total: %4d read: %4d write: %4d pinned: %4d write-queue: %4d"
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, cs.read_cache_size + cs.write_cache_size, cs.read_cache_size
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, cs.write_cache_size, cs.pinned_blocks
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, int(m_cnt[0][m_queued_bytes_idx] / 0x4000));
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set_cursor_pos(0, y++);
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print(str);
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*/
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int mru_size = int(m_cnt[0][m_mru_size_idx] + m_cnt[0][m_mru_ghost_idx]);
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int mfu_size = int(m_cnt[0][m_mfu_size_idx] + m_cnt[0][m_mfu_ghost_idx]);
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int arc_size = mru_size + mfu_size;
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char mru_caption[100];
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std::snprintf(mru_caption, sizeof(mru_caption), "MRU: %d (%d)"
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, int(m_cnt[0][m_mru_size_idx]), int(m_cnt[0][m_mru_ghost_idx]));
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char mfu_caption[100];
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std::snprintf(mfu_caption, sizeof(mfu_caption), "MFU: %d (%d)"
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, int(m_cnt[0][m_mfu_size_idx]), int(m_cnt[0][m_mfu_ghost_idx]));
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pos = std::snprintf(str, sizeof(str), "cache: ");
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if (arc_size > 0)
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{
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if (mru_size > 0)
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{
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pos += std::snprintf(str + pos, sizeof(str) - pos, "%s"
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, progress_bar(int(m_cnt[0][m_mru_ghost_idx] * 1000 / mru_size)
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, mru_size * (m_width-8) / arc_size, col_yellow, '-', '#'
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, mru_caption, progress_invert).c_str());
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}
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pos += std::snprintf(str + pos, sizeof(str) - pos, "|");
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if (mfu_size)
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{
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pos += std::snprintf(str + pos, sizeof(str) - pos, "%s"
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, progress_bar(int(m_cnt[0][m_mfu_size_idx] * 1000 / mfu_size)
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, mfu_size * (m_width-8) / arc_size, col_green, '#', '-'
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, mfu_caption).c_str());
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}
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}
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pos += std::snprintf(str + pos, sizeof(str) - pos, "\x1b[K");
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set_cursor_pos(0, y++);
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print(str);
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if (m_print_utp_stats)
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{
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std::snprintf(str, sizeof(str), "uTP idle: %d syn: %d est: %d fin: %d wait: %d\x1b[K"
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, int(m_cnt[0][m_utp_idle])
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, int(m_cnt[0][m_utp_syn_sent])
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, int(m_cnt[0][m_utp_connected])
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, int(m_cnt[0][m_utp_fin_sent])
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, int(m_cnt[0][m_utp_close_wait]));
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set_cursor_pos(0, y++);
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print(str);
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}
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}
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void session_view::update_counters(std::uint64_t* stats_counters
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, int num_cnt, std::uint64_t t)
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{
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// only update the previous counters if there's been enough
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// time since it was last updated
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if (t - m_timestamp[1] > 2000000)
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{
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m_cnt[1].swap(m_cnt[0]);
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m_timestamp[1] = m_timestamp[0];
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}
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m_cnt[0].assign(stats_counters, stats_counters + num_cnt);
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m_timestamp[0] = t;
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render();
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}
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